Article: 101289 of rec.radio.amateur.boatanchors From: "Charlie Hugg" Subject: CW Filter for FT-102 Message-ID: Date: Fri, 6 Jan 2006 21:19:23 -0600 I also have a brand new Yaesu XF-455C CW Filter for the Yaesu FT-102 Transceiver. It is No. 04-Y. Price is $65. Thanks, Charlie Hugg -- ________________________________ See my Signal/One, Collins & Drake Photo Galleries and my Hallicrafters Virtual Museum at http://hug-a-bug.com Article: 101290 of rec.radio.amateur.boatanchors From: James Sweet Subject: Re: Favorite Tektronix Scope References: <1136148561.946351.257400@g44g2000cwa.googlegroups.com> <6hZtf.3293$vL4.3204@bignews1.bellsouth.net> <43b8d277.34617210@free.teranews.com> <43b9cdbd.20688672@free.teranews.com> <43BCB1D1.4020800@worldnet.att.net> <%Invf.20506$If.14477@trnddc05> Message-ID: Date: Sat, 07 Jan 2006 03:37:20 GMT > > You obviously haven't hired a machinist lately. In pristine shape, the > scopes were worth $75 tops, the machine shops charge $100/hour, 1 hour > minimum. > > I was going to do the job myself, but balked because even when I was done, > all I would have was a bunch of scopes that no one wanted to buy. We had > them (with the broken/missing knobs in the $15 pile at several hamfests, > and they went nowhere. > Well no I haven't hired one because friends of mine own a machine shop so I can get favors like that for free but still, $75 tops? We're talking a pretty decent scope aren't we? When I bought my Tek 465 a few years ago I couldn't find anything 100MHz dual trace in working order for under $275 or so. Article: 101291 of rec.radio.amateur.boatanchors From: Bill Turner Subject: Re: FA: Simpson 303 VTVM oldie but goodie!!! Date: Fri, 06 Jan 2006 22:14:20 -0800 Message-ID: References: <1136611300.798609.61920@g43g2000cwa.googlegroups.com> They are from the days before transistors. "VTVM" stands for Vacuum Tube Volt Meter, as opposed to a plain analog meter with no active components. In today's world, about the only advantage they would have is immunity to massive voltage overloads that would smoke a solid state device. I'll bet if you accidentally touched the anode lead of a CRT with your solid state meter it would be history. A VTVM would most likely survive. Mostly though, is the nostalgia. I used one for twenty years doing TV repair back in the tube days. It did the job, but I have to admit my everyday meter now is a Fluke 87. Sigh. Bill T. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ORIGINAL MESSAGE: On 6 Jan 2006 21:21:40 -0800, "Karl" wrote: >I keep seeing the term "VTVM", but what is so special about them? What >is better about them than my cheap little Radio Shack multimeter? Article: 101292 of rec.radio.amateur.boatanchors From: "Phil Allison" Subject: Re: FA: Simpson 303 VTVM oldie but goodie!!! Date: Sat, 7 Jan 2006 18:10:59 +1100 Message-ID: <4297s4F1fjnmaU1@individual.net> References: <1136611300.798609.61920@g43g2000cwa.googlegroups.com> "Karl" > > I keep seeing the term "VTVM", but what is so special about them? What > is better about them than my cheap little Radio Shack multimeter? > ** If that Radio Shack meter is a reasonable digital one - then not a great deal. If a cheap analogue type - then a good VTVM eats it alive. Egs . 10 megohms input impedance on all AC and DC volts ranges. Wide AC frequency response. Pretty much accidental abuse proof ( aside from a big drop). The big meter looks very cool compared to an LCD display. One drawback is that readings are ground referenced as with a scope. ......... Phil Article: 101293 of rec.radio.amateur.boatanchors Message-ID: <43BF8B8E.7FBA9CBD@hotmail.com> Date: Sat, 07 Jan 2006 09:36:14 +0000 From: Pooh Bear Subject: Re: FA: Simpson 303 VTVM oldie but goodie!!! References: <1136611300.798609.61920@g43g2000cwa.googlegroups.com> Karl wrote: > Dave Edwards wrote: > > http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=7578034133&rd=1&sspagename=STRK%3AMESE%3AIT&rd=1 > > I keep seeing the term "VTVM", but what is so special about them? What > is better about them than my cheap little Radio Shack multimeter? The warm fuzzy feeling they give you. A modern DVM will be loads more accurate. Graham Article: 101294 of rec.radio.amateur.boatanchors From: xray Subject: Re: Favorite Tektronix Scope Date: Sat, 07 Jan 2006 04:38:08 -0800 Message-ID: References: <1136148561.946351.257400@g44g2000cwa.googlegroups.com> <29ijr15923pim2ih03vovp4rsr3mea6ihl@4ax.com> On Tue, 03 Jan 2006 21:03:29 GMT, Ignoramus29795 wrote: >I changed my mind. I will not sell my 475. > >Now... I have little interest in homemade radio or audio stuff. So far >my little forays into electronics centered around power electronics. >Given that... Is there any possible reason to keep a spectrum >analyzer? Sorry, I'm late to this thread but thought I'd add an opinion. No, Spectum Analysers are useless for anyone outside the government or RF extremists. What are the specifications of the one you have? Maybe I can save you grief by taking it off your hands with a preimuim bid since it is just a glorified scope? P.s. You never answered if the Motorcycle engine you are selling is the one that came by accident. Article: 101295 of rec.radio.amateur.boatanchors From: " Uncle Peter" References: <1136611300.798609.61920@g43g2000cwa.googlegroups.com> <43BF8B8E.7FBA9CBD@hotmail.com> Subject: Re: FA: Simpson 303 VTVM oldie but goodie!!! Message-ID: Date: Sat, 7 Jan 2006 08:29:16 -0500 "Pooh Bear" wrote in message news:43BF8B8E.7FBA9CBD@hotmail.com... > > > Karl wrote: > > The warm fuzzy feeling they give you. A modern DVM will be loads more accurate. > > Graham > For a lot of vintage tube related repairs, you don't need accuracy or precision, but the analog meter is a lot easier to follow when doing alignment, etc. Pete Article: 101296 of rec.radio.amateur.boatanchors From: " Uncle Peter" References: <1136611300.798609.61920@g43g2000cwa.googlegroups.com> Subject: Re: FA: Simpson 303 VTVM oldie but goodie!!! Message-ID: Date: Sat, 7 Jan 2006 08:31:53 -0500 "Bill Turner" wrote in message news:egmur1hse21ean9fgp0orfdnbnq4hcor0c@4ax.com... > In today's world, about the only advantage they would have is immunity > to massive voltage overloads that would smoke a solid state device. > I'll bet if you accidentally touched the anode lead of a CRT with your > solid state meter it would be history. A VTVM would most likely > survive. > > > Bill T. > Unless you have a Heath VTVM that used a 6AL5 for the AC rectifier in the metering circuit. Getting across the secondary of a modest receiver's power transformer usually arced the 6AL5, taking the meter movement along with it. Heath replaced those associated parts at least two times in my kit before I swore off using it for AC measurements. Pete Article: 101297 of rec.radio.amateur.boatanchors From: " Uncle Peter" References: <7-SdnccXottAhSLenZ2dnUVZ_sSdnZ2d@comcast.com> Subject: Re: DRAKE 2NT Working 100% A beauty!! Message-ID: Date: Sat, 7 Jan 2006 08:34:56 -0500 "gb" wrote in message news:7-SdnccXottAhSLenZ2dnUVZ_sSdnZ2d@comcast.com... > "Dave Edwards" wrote in message > news:a5SdndMRs9EEECPeRVn-rw@comcast.com... > > Was not working when I listed it. > > Simple problem, now it is 100% > > Ready to Plug 'n Play!! > > > > http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=5849716285&rd=1&sspagenam e=STRK%3AMESE%3AIT&rd=1 > Looks like aa123456yy wants to worse than me :-( > > gb > Gary.. One word for you: eSnipe! Generating interest in a item by early competitive bidding usually means you'll end up paying more than by playing it cool! Been there, done that. Having no more room in the shop also helps... Pete Article: 101298 of rec.radio.amateur.boatanchors Date: Sat, 07 Jan 2006 23:51:35 +0800 From: ws Subject: Re: FA: Simpson 303 VTVM oldie but goodie!!! References: <1136611300.798609.61920@g43g2000cwa.googlegroups.com> <43BF8B8E.7FBA9CBD@hotmail.com> Message-ID: <43bfe436$0$1849$c3e8da3@news.astraweb.com> Pooh Bear wrote: > > Karl wrote: > > >>Dave Edwards wrote: >> >>>http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=7578034133&rd=1&sspagename=STRK%3AMESE%3AIT&rd=1 >> >>I keep seeing the term "VTVM", but what is so special about them? What >>is better about them than my cheap little Radio Shack multimeter? > > > The warm fuzzy feeling they give you. A modern DVM will be loads more accurate. > Actually, that isn't quite true. The impedance of a "cheap little Radio Shack multimeter" is likely to be very low - in the order of <100K A VTVM is likely to have an impedance >10Megs and if you're measuring 100V across 1Meg, inserting a 100K impedance into the circuit *is* going to give you problems! http://www.elexp.com/t_load.htm I agree that impedance and absolute accuracy may be better in a good DVM, but sometimes a VTVM is very useful. Do see this article for an explanation: http://www.tone-lizard.com/VTVM.htm Cheers, WS Article: 101299 of rec.radio.amateur.boatanchors Message-ID: <43BFEF52.4CAC458B@hotmail.com> Date: Sat, 07 Jan 2006 16:41:54 +0000 From: Pooh Bear Subject: Re: FA: Simpson 303 VTVM oldie but goodie!!! References: <1136611300.798609.61920@g43g2000cwa.googlegroups.com> <43BF8B8E.7FBA9CBD@hotmail.com> <43bfe436$0$1849$c3e8da3@news.astraweb.com> ws wrote: > Pooh Bear wrote: > > > > Karl wrote: > > > > > >>Dave Edwards wrote: > >> > >>>http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=7578034133&rd=1&sspagename=STRK%3AMESE%3AIT&rd=1 > >> > >>I keep seeing the term "VTVM", but what is so special about them? What > >>is better about them than my cheap little Radio Shack multimeter? > > > > > > The warm fuzzy feeling they give you. A modern DVM will be loads more accurate. > > > > Actually, that isn't quite true. The impedance of a "cheap little Radio > Shack multimeter" is likely to be very low - in the order of <100K What makes you say that ? Graham Article: 101300 of rec.radio.amateur.boatanchors From: Paul Burridge Subject: Re: Favorite Tektronix Scope Date: Sat, 07 Jan 2006 16:55:00 +0100 Message-ID: References: <1136148561.946351.257400@g44g2000cwa.googlegroups.com> <29ijr15923pim2ih03vovp4rsr3mea6ihl@4ax.com> On Sat, 07 Jan 2006 04:38:08 -0800, xray wrote: >Sorry, I'm late to this thread but thought I'd add an opinion. No one can stop you doing that. >No, Spectum Analysers are useless for anyone outside the government or >RF extremists. ??? Er, they're extremely useful pieces of test gear for anyone involved in RF., even hobbyists. >What are the specifications of the one you have? Maybe I can save you >grief by taking it off your hands with a preimuim bid since it is just a >glorified scope? It's a different thing altogether! Barely a week went by before I deeply regretted parting with my spectrum analyser. :-( -- "What is now proved was once only imagin'd" - William Blake Article: 101301 of rec.radio.amateur.boatanchors From: Adam Stouffer Subject: Re: FA: Simpson 303 VTVM oldie but goodie!!! References: <1136611300.798609.61920@g43g2000cwa.googlegroups.com> Message-ID: Date: Sat, 07 Jan 2006 18:19:57 GMT Bill Turner wrote: > They are from the days before transistors. "VTVM" stands for Vacuum > Tube Volt Meter, as opposed to a plain analog meter with no active > components. > > In today's world, about the only advantage they would have is immunity > to massive voltage overloads that would smoke a solid state device. > I'll bet if you accidentally touched the anode lead of a CRT with your > solid state meter it would be history. A VTVM would most likely > survive. > Most fluke meters survive pretty well. I've burned out a 1k fuse resistor twice now from accidental overloads. The latest was from touching the plate lead and getting a nice purple RF arc. Tought that killed it for sure. Adam Article: 101302 of rec.radio.amateur.boatanchors Date: Sun, 08 Jan 2006 02:22:22 +0800 From: ws Subject: Re: FA: Simpson 303 VTVM oldie but goodie!!! References: <1136611300.798609.61920@g43g2000cwa.googlegroups.com> <43BF8B8E.7FBA9CBD@hotmail.com> <43bfe436$0$1849$c3e8da3@news.astraweb.com> <43BFEF52.4CAC458B@hotmail.com> Message-ID: <43c0078e$0$1814$c3e8da3@news.astraweb.com> Pooh Bear wrote: > > ws wrote: > > >>Pooh Bear wrote: >> >>>Karl wrote: >>> >>> >>> >>>>Dave Edwards wrote: >>>> >>>> >>>>>http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=7578034133&rd=1&sspagename=STRK%3AMESE%3AIT&rd=1 >>>> >>>>I keep seeing the term "VTVM", but what is so special about them? What >>>>is better about them than my cheap little Radio Shack multimeter? >>> >>> >>>The warm fuzzy feeling they give you. A modern DVM will be loads more accurate. >>> >> >>Actually, that isn't quite true. The impedance of a "cheap little Radio >>Shack multimeter" is likely to be very low - in the order of <100K > > > What makes you say that ? > OK, to clarify, I was comparing apples to apples (i.e. analog). The specs for a currently available model is here: http://www.radioshack.com/product/index.jsp?parentPage=search&cp=&productId=2103170&kw=multimeter&tab=techSpecs While cheap DVMs have higher input impedance, they aren't quite up to VTVM standards. The cheap DVM that they list for $19.99 only has an impedance of 1Meg, which is still low enough to affect readings in certain cases. http://rsk.imageg.net/graphics/uc/rsk/Support/ProductManuals/2200810_PM_EN.pdf Only the $25.99 and the $49.99 models are 10Meg. The point here is that it's not purely "warm fuzzies", but that each tool, including the VTVM has it's place, and it's limitations, as shown in the links you snipped. Regards, WS Article: 101303 of rec.radio.amateur.boatanchors From: "Rich Grise, but drunk" Subject: Re: Favorite Tektronix Scope Message-ID: References: <1136148561.946351.257400@g44g2000cwa.googlegroups.com> <29ijr15923pim2ih03vovp4rsr3mea6ihl@4ax.com> Date: Sat, 07 Jan 2006 18:38:10 GMT On Sat, 07 Jan 2006 16:55:00 +0100, Paul Burridge wrote: > On Sat, 07 Jan 2006 04:38:08 -0800, xray > wrote: > >>Sorry, I'm late to this thread but thought I'd add an opinion. > > No one can stop you doing that. > >>No, Spectum Analysers are useless for anyone outside the government or >>RF extremists. > > ??? > Er, they're extremely useful pieces of test gear for anyone involved > in RF., even hobbyists. Not to mention incredible amounts of fun! :-) :-) :-) (look at a pulse's spectrum sometime, and twirl the PRF and PW knobs and watch the pretty pictures dance...) >>What are the specifications of the one you have? Maybe I can save you >>grief by taking it off your hands with a preimuim bid since it is just a >>glorified scope? > > It's a different thing altogether! > > Barely a week went by before I deeply regretted parting with my > spectrum analyser. :-( Not only that, but its very name is ripe for _so_ many play-on-words jokes! "rectum analyzer?" "spectrum ANAL-izer?" etc.... ;-) Cheers! Rich Article: 101304 of rec.radio.amateur.boatanchors Message-ID: <43C00BAD.8060406@optonline.net> From: Jack O'Neill Subject: Re: DRAKE 2NT Working 100% A beauty!! References: <7-SdnccXottAhSLenZ2dnUVZ_sSdnZ2d@comcast.com> Date: Sat, 07 Jan 2006 13:42:53 -0500 This is a multi-part message in MIME format. --------------060103030100040102080109 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Uncle Peter wrote: >"gb" wrote in message >news:7-SdnccXottAhSLenZ2dnUVZ_sSdnZ2d@comcast.com... > > >>"Dave Edwards" wrote in message >>news:a5SdndMRs9EEECPeRVn-rw@comcast.com... >> >> >>>Was not working when I listed it. >>>Simple problem, now it is 100% >>>Ready to Plug 'n Play!! >>> >>> >>> >>> >http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=5849716285&rd=1&sspagenam >e=STRK%3AMESE%3AIT&rd=1 > > >>Looks like aa123456yy wants to worse than me :-( >> >>gb >> >> >> > >Gary.. > >One word for you: eSnipe! Generating interest in a item by early >competitive bidding usually means you'll end up paying more >than by playing it cool! Been there, done that. Having no more >room in the shop also helps... > >Pete > > > > Now you have done it. Now everyone knows about e-snipe!! ;-) Gen. J. O'Neill --------------060103030100040102080109 Content-Type: text/html; charset=us-ascii Content-Transfer-Encoding: 7bit  Uncle Peter wrote:
"gb" <onw9mapsgb@no.arrl.spam.net> wrote in message
news:7-SdnccXottAhSLenZ2dnUVZ_sSdnZ2d@comcast.com...
  
"Dave Edwards" <kd2e@comcast.net> wrote in message
news:a5SdndMRs9EEECPeRVn-rw@comcast.com...
    
Was not working when I listed it.
Simple problem, now it is 100%
Ready to Plug 'n Play!!


      
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=5849716285&rd=1&sspagenam
e=STRK%3AMESE%3AIT&rd=1
  
Looks like aa123456yy wants to worse than me  :-(

gb

    

Gary..

One word for you:  eSnipe!  Generating interest in a item by early
competitive bidding usually means you'll end up paying more
than by playing it cool!  Been there, done that. Having no more
room in the shop also helps...

Pete
Now you have done it.  Now everyone knows about e-snipe!! ;-)

Gen. J. O'Neill

 --------------060103030100040102080109-- Article: 101305 of rec.radio.amateur.boatanchors From: Sander deWaal Subject: Re: FA: Simpson 303 VTVM oldie but goodie!!! Date: Sat, 07 Jan 2006 20:02:08 +0100 Message-ID: <1v30s1tt7nrgd8cvm61fmpqp1g7hiu3qdh@4ax.com> References: <1136611300.798609.61920@g43g2000cwa.googlegroups.com> <43BF8B8E.7FBA9CBD@hotmail.com> <43bfe436$0$1849$c3e8da3@news.astraweb.com> <43BFEF52.4CAC458B@hotmail.com> <43c0078e$0$1814$c3e8da3@news.astraweb.com> ws said: >While cheap DVMs have higher input impedance, they aren't quite up to >VTVM standards. The cheap DVM that they list for $19.99 only has an >impedance of 1Meg, which is still low enough to affect readings in >certain cases. Not only that, the frequency range of said cheap DMMs is usually very limited (up to 400 Hz I believe). My various Fluke meters aren't much better, BTW. -- "Audio as a serious hobby is going down the tubes." - Howard Ferstler, 25/4/2005 Article: 101306 of rec.radio.amateur.boatanchors Message-ID: <43C0166A.684A2B25@hotmail.com> Date: Sat, 07 Jan 2006 19:28:42 +0000 From: Pooh Bear Subject: Re: FA: Simpson 303 VTVM oldie but goodie!!! References: <1136611300.798609.61920@g43g2000cwa.googlegroups.com> <43BF8B8E.7FBA9CBD@hotmail.com> <43bfe436$0$1849$c3e8da3@news.astraweb.com> <43BFEF52.4CAC458B@hotmail.com> <43c0078e$0$1814$c3e8da3@news.astraweb.com> ws wrote: > Pooh Bear wrote: > > > > ws wrote: > > > > > >>Pooh Bear wrote: > >> > >>>Karl wrote: > >>> > >>> > >>> > >>>>Dave Edwards wrote: > >>>> > >>>> > >>>>>http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=7578034133&rd=1&sspagename=STRK%3AMESE%3AIT&rd=1 > >>>> > >>>>I keep seeing the term "VTVM", but what is so special about them? What > >>>>is better about them than my cheap little Radio Shack multimeter? > >>> > >>> > >>>The warm fuzzy feeling they give you. A modern DVM will be loads more accurate. > >>> > >> > >>Actually, that isn't quite true. The impedance of a "cheap little Radio > >>Shack multimeter" is likely to be very low - in the order of <100K > > > > > > What makes you say that ? > > > > OK, to clarify, I was comparing apples to apples (i.e. analog). The > specs for a currently available model is here: > http://www.radioshack.com/product/index.jsp?parentPage=search&cp=&productId=2103170&kw=multimeter&tab=techSpecs > That's *not* a DVM of course ! Nor especially cheap.You have to pay quite a lot for moving coil meters. I did wonder if that was what you meant. > While cheap DVMs have higher input impedance, they aren't quite up to > VTVM standards. The cheap DVM that they list for $19.99 only has an > impedance of 1Meg, which is still low enough to affect readings in > certain cases. > http://rsk.imageg.net/graphics/uc/rsk/Support/ProductManuals/2200810_PM_EN.pdf > > Only the $25.99 and the $49.99 models are 10Meg. They are still hardly expensive ! > The point here is that it's not purely "warm fuzzies", but that each > tool, including the VTVM has it's place, and it's limitations, as shown > in the links you snipped. The error simply reading the needle on a VTVM will exceed the measurement error on most DVMs. Graham Article: 101307 of rec.radio.amateur.boatanchors Message-ID: <43C016AA.7894F156@hotmail.com> Date: Sat, 07 Jan 2006 19:29:47 +0000 From: Pooh Bear Subject: Re: FA: Simpson 303 VTVM oldie but goodie!!! References: <1136611300.798609.61920@g43g2000cwa.googlegroups.com> <43BF8B8E.7FBA9CBD@hotmail.com> Uncle Peter wrote: > "Pooh Bear" wrote in message > news:43BF8B8E.7FBA9CBD@hotmail.com... > > > > > > Karl wrote: > > > > The warm fuzzy feeling they give you. A modern DVM will be loads more > accurate. > > > > Graham > > > > For a lot of vintage tube related repairs, you don't need accuracy or > precision, but > the analog meter is a lot easier to follow when doing alignment, etc. > > Pete That is indeed where they score. Graham Article: 101308 of rec.radio.amateur.boatanchors Message-ID: <43C01804.4C76D801@earthlink.net> From: "Michael A. Terrell" Subject: Re: FA: Simpson 303 VTVM oldie but goodie!!! References: <1136611300.798609.61920@g43g2000cwa.googlegroups.com> Date: Sat, 07 Jan 2006 19:35:44 GMT Karl wrote: > > Dave Edwards wrote: > > http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=7578034133&rd=1&sspagename=STRK%3AMESE%3AIT&rd=1 > > I keep seeing the term "VTVM", but what is so special about them? What > is better about them than my cheap little Radio Shack multimeter? Most of the VTVMs i have owned had either a separate probe for DC measurements, or a switch to select AC/ohms or DC. They had a 1 megohm resistor at the probe to keep from loading down a tuned circuit, or stopping an RF oscillator, which would change the voltage. They are still handy when looking for oscillator problems on PC boards. -- Service to my country? Been there, Done that, and I've got my DD214 to prove it. Member of DAV #85. Michael A. Terrell Central Florida Article: 101309 of rec.radio.amateur.boatanchors From: kludge@panix.com (Scott Dorsey) Subject: Re: FA: Simpson 303 VTVM oldie but goodie!!! Date: 7 Jan 2006 14:56:57 -0500 Message-ID: References: <1136611300.798609.61920@g43g2000cwa.googlegroups.com> Karl wrote: > >I keep seeing the term "VTVM", but what is so special about them? What >is better about them than my cheap little Radio Shack multimeter? Well, it has a much higher input impedance than a cheap Radio Shack analogue meter, and it also has a probe for reading RF. The RF probe combined with the high input Z makes it very handy for peaking coils and similar operations which are next to impossible to do with a digital meter. You can't see trends easily on the digital meter. A modern FET-input analogue meter with an RF probe will do just as well as an old VTVM, and it'll be more stable too. But you won't find one at the hamfest for five bucks like you will a good VTVM. --scott -- "C'est un Nagra. C'est suisse, et tres, tres precis." Article: 101310 of rec.radio.amateur.boatanchors From: "Charlie Hugg" Subject: FS Old Flying Horse Callbooks Message-ID: Date: Sat, 7 Jan 2006 14:09:20 -0600 I have several old Flying Horse Radio Amateur Callbooks for sale. They are all in very good condition for their age. Covers and binding are all intact and in nice condition. There are some creases around the edges of some of them and the pages have yellowed with time. They are all complete. 1. Winter, 1948-49 Issue, Volume 26, Number 4. Price $35; 2. Fall, 1949 Issue, Volume 27, Number 3. Price is $35; 3. Summer, 1950, Volume 28, Number 2. Price is $30; 4. Spring, 1952, Volume30, Number 1. Price is $30; 5. Fall, 1955, Volume 33, Number 3. Price is $30; 6. Fall, 1961, Volume 39, Number 3. Price is 25. Shipping is an extra $3.00 for Media Rate US Post Office. Thanks, Charlie Hugg, K5MBX -- ________________________________ See my Signal/One, Collins & Drake Photo Galleries and my Hallicrafters Virtual Museum at http://hug-a-bug.com Article: 101311 of rec.radio.amateur.boatanchors From: "Charlie Hugg" Subject: FS Meter for HT-37 and Knob Message-ID: Date: Sat, 7 Jan 2006 14:30:08 -0600 I have for sale a meter for the Hallicrafters HT-37. It is in nice working condition. Price is $25 plus shipping. Also a metal Band Switch Knob for the HT-37. Price is $5.00 plus shipping. Thanks, Charlie Hugg, K5MBX -- ________________________________ See my Signal/One, Collins & Drake Photo Galleries and my Hallicrafters Virtual Museum at http://hug-a-bug.com Article: 101312 of rec.radio.amateur.boatanchors From: Sander deWaal Subject: Re: FA: Simpson 303 VTVM oldie but goodie!!! Date: Sat, 07 Jan 2006 22:07:23 +0100 Message-ID: References: <1136611300.798609.61920@g43g2000cwa.googlegroups.com> <43BF8B8E.7FBA9CBD@hotmail.com> <43bfe436$0$1849$c3e8da3@news.astraweb.com> <43BFEF52.4CAC458B@hotmail.com> <43c0078e$0$1814$c3e8da3@news.astraweb.com> <1v30s1tt7nrgd8cvm61fmpqp1g7hiu3qdh@4ax.com> <43c51096.40811609@text.usenet.plus.net> donald@pearce.uk.com (Don Pearce) said: >>Not only that, the frequency range of said cheap DMMs is usually very >>limited (up to 400 Hz I believe). >>My various Fluke meters aren't much better, BTW. >My Fluke, with built-in scope function, goes to many tens of kHz very >comfortably. A scopemeter, well, duh! :-) I have a Fluke 12, a 73 and an old 8000-something, and they won't do anything accurate above 1 kHz. -- "Audio as a serious hobby is going down the tubes." - Howard Ferstler, 25/4/2005 Article: 101313 of rec.radio.amateur.boatanchors From: - exray - Subject: Re: FA: Simpson 303 VTVM oldie but goodie!!! Date: Sat, 07 Jan 2006 17:52:00 -0400 Message-ID: <11s0e02lmhfmu50@corp.supernews.com> References: <1136611300.798609.61920@g43g2000cwa.googlegroups.com> <43BF8B8E.7FBA9CBD@hotmail.com> <43C016AA.7894F156@hotmail.com> Pooh Bear wrote: > >>the analog meter is a lot easier to follow when doing alignment, etc. >> >>Pete > > > That is indeed where they score. > > Graham I suppose. I haven't used my old VTVM for alignment in so many years I have forgotten! I think much of that argument has been dispelled in recent years with DMMs that update and refresh the display faster than the wink of an eye. I remember the early DMMs that weren't worth a crap for alignment even with the little 'bar'... that had poor resolution. Biggest DMM plus for me is that I can set the meter right alongside the chassis and glance over and see it rather than looking up on the shelf. And I can actually see the big 1 inch numbers without squinting my tired old eyes on an old faded 'red' scale :) -ex Article: 101314 of rec.radio.amateur.boatanchors From: "Richard W. Solomon, W1KSZ" Subject: VARIACS, We Got VARIACS For Sale Message-ID: Date: Sat, 07 Jan 2006 22:17:08 GMT I have three Variacs that need a new home. Pickup in Lexington, MA, unless you want to single-handedly wipe out the USPS deficit !! 20 Amp GR Rack Mounted (19" rack) $25 20 Amp GR Cased Model, with Voltmeter and Ammeter $50 30 Amp GR Cased Model, with Voltmeter and Ammeter $65 73, Dick, W1KSZ Article: 101315 of rec.radio.amateur.boatanchors From: "Brenda Ann" Subject: Re: FA: Simpson 303 VTVM oldie but goodie!!! Date: Sun, 8 Jan 2006 07:22:27 +0900 Message-ID: References: <1136611300.798609.61920@g43g2000cwa.googlegroups.com> <43BF8B8E.7FBA9CBD@hotmail.com> <43bfe436$0$1849$c3e8da3@news.astraweb.com> <43BFEF52.4CAC458B@hotmail.com> <43c0078e$0$1814$c3e8da3@news.astraweb.com> <1v30s1tt7nrgd8cvm61fmpqp1g7hiu3qdh@4ax.com> <43c51096.40811609@text.usenet.plus.net> "Sander deWaal" wrote in message news:f9b0s1lkhv3c3k5rfic93dl256l9ged5u8@4ax.com... > donald@pearce.uk.com (Don Pearce) said: > >>>Not only that, the frequency range of said cheap DMMs is usually very >>>limited (up to 400 Hz I believe). > >>>My various Fluke meters aren't much better, BTW. > >>My Fluke, with built-in scope function, goes to many tens of kHz very >>comfortably. > > > A scopemeter, well, duh! :-) > > I have a Fluke 12, a 73 and an old 8000-something, and they won't do > anything accurate above 1 kHz. > > -- > > "Audio as a serious hobby is going down the tubes." > - Howard Ferstler, 25/4/2005 Fluke 97 is good to 50MHz.. though I wouldn't say it's resolution gives a very true waveform image. Article: 101316 of rec.radio.amateur.boatanchors From: - exray - Subject: Re: DRAKE 2NT Working 100% A beauty!! Date: Sat, 07 Jan 2006 20:53:36 -0400 Message-ID: <11s0okgqofd62d2@corp.supernews.com> References: <7-SdnccXottAhSLenZ2dnUVZ_sSdnZ2d@comcast.com> <_LidnQN3HfjU_V3eRVn-tw@comcast.com> gb wrote: > > Other workbench has the Drake R-4C, finally got the Plextron R-720 antenna > and power cord earlier this week -- playing local VHF NWS channel ! > > Greg > w9gb You can use a little Radio Shack Weathercube for that. Put that R-4C into doing something respectable ... and gain back a workbench. :) -Bill Article: 101317 of rec.radio.amateur.boatanchors From: - exray - Subject: Re: FA: Simpson 303 VTVM oldie but goodie!!! Date: Sat, 07 Jan 2006 21:52:23 -0400 Message-ID: <11s0s2oh633122@corp.supernews.com> References: <1136611300.798609.61920@g43g2000cwa.googlegroups.com> <43BF8B8E.7FBA9CBD@hotmail.com> <43C016AA.7894F156@hotmail.com> <11s0e02lmhfmu50@corp.supernews.com> <0PednWXzRNjr913enZ2dnUVZ_tqdnZ2d@giganews.com> BFoelsch wrote: > > Now, if someone designs a DVM with a 1 M resistor in its probe to accomplish > the same result, we can officially announce the death of the VTVM. I just twist a resistor around the end of the DMM probe if I see there is a problem. -Bill Article: 101318 of rec.radio.amateur.boatanchors From: " Uncle Peter" References: <7-SdnccXottAhSLenZ2dnUVZ_sSdnZ2d@comcast.com> <_LidnQN3HfjU_V3eRVn-tw@comcast.com> <11s0okgqofd62d2@corp.supernews.com> <2MydnY-DC98d7l3eRVn-vQ@comcast.com> Subject: Re: Workbench Message-ID: Date: Sat, 7 Jan 2006 22:05:46 -0500 "gb" wrote in message news:2MydnY-DC98d7l3eRVn-vQ@comcast.com... > "- exray -" wrote in message > > Drake R-4C is being cleaned (Simple Green to remove slight nicotine > odor/haze) - this was a one owner estate item. Removed a couple jumpers > under the Noise Blanker socket (lost Drake factory jumper or seller removed > blanker and did poor job) -- and installed the Leeds Electronics 7-pin plug > .. looks better than Drake's original ! Just installed the second IF AM and > 500 Hz CW filter. Bob Sherwood's audio and power board will be next week - > if I have time. > > Greg > w9gb > I always dreamed about owning a Drake receiver with all of the Sherwood mods installed. It would probably outdo most of the stuff on the market today! How are you demodulating the NWS FM transmissions? Pete Article: 101319 of rec.radio.amateur.boatanchors From: " Uncle Peter" References: <1136611300.798609.61920@g43g2000cwa.googlegroups.com> <43BF8B8E.7FBA9CBD@hotmail.com> <43C016AA.7894F156@hotmail.com> <11s0e02lmhfmu50@corp.supernews.com> <0PednWXzRNjr913enZ2dnUVZ_tqdnZ2d@giganews.com> <11s0s2oh633122@corp.supernews.com> Subject: Re: FA: Simpson 303 VTVM oldie but goodie!!! Message-ID: <5m%vf.41520$Mi5.15247@dukeread07> Date: Sat, 7 Jan 2006 22:07:07 -0500 "- exray -" wrote in message news:11s0s2oh633122@corp.supernews.com... > BFoelsch wrote: > > > > > > Now, if someone designs a DVM with a 1 M resistor in its probe to accomplish > > the same result, we can officially announce the death of the VTVM. > > I just twist a resistor around the end of the DMM probe if I see there > is a problem. > > -Bill Yeah, well you offset most VTVMs for a zero center reading for aligning FM discriminators!! So there! Do that with your fancy DVM! HAR! --Pete Article: 101320 of rec.radio.amateur.boatanchors From: - exray - Subject: Re: FA: Simpson 303 VTVM oldie but goodie!!! Date: Sat, 07 Jan 2006 23:24:23 -0400 Message-ID: <11s11f8bjpjcs0d@corp.supernews.com> References: <1136611300.798609.61920@g43g2000cwa.googlegroups.com> <43BF8B8E.7FBA9CBD@hotmail.com> <43C016AA.7894F156@hotmail.com> <11s0e02lmhfmu50@corp.supernews.com> <0PednWXzRNjr913enZ2dnUVZ_tqdnZ2d@giganews.com> <11s0s2oh633122@corp.supernews.com> <5m%vf.41520$Mi5.15247@dukeread07> Uncle Peter wrote: > > Yeah, well you offset most VTVMs for a zero center reading for aligning > FM discriminators!! So there! Do that with your fancy DVM! HAR! > > --Pete No need to offset. I can recognize the digit 'zero' and a little minus sign pops up when I cross it. Harhar!! -Bill Article: 101321 of rec.radio.amateur.boatanchors Message-ID: <43C0966B.B6168B47@earthlink.net> From: "Michael A. Terrell" Subject: Re: FA: Simpson 303 VTVM oldie but goodie!!! References: <1136611300.798609.61920@g43g2000cwa.googlegroups.com> <43BF8B8E.7FBA9CBD@hotmail.com> <43C016AA.7894F156@hotmail.com> <11s0e02lmhfmu50@corp.supernews.com> <0PednWXzRNjr913enZ2dnUVZ_tqdnZ2d@giganews.com> Date: Sun, 08 Jan 2006 04:35:06 GMT BFoelsch wrote: > > Nobody has mentioned the MAIN reason VTVMs were preferred for radios years > ago... Really? I thought I explained it in my reply. -- Service to my country? Been there, Done that, and I've got my DD214 to prove it. Member of DAV #85. Michael A. Terrell Central Florida Article: 101322 of rec.radio.amateur.boatanchors From: "Tonni" References: <1136611300.798609.61920@g43g2000cwa.googlegroups.com> Subject: Re: FA: Simpson 303 VTVM oldie but goodie!!! Date: Sun, 8 Jan 2006 09:08:46 +0100 Message-ID: <43c0c88d$0$200$edfadb0f@dread11.news.tele.dk> Why not just say all meters, even the most crappy, has their strengts!!! For the warious reasons mentioned i simply use all my meters occationly.... - Also more at the same time. :-D And, amongst others, that's: ANTON TS505D/U VTMM, with 500Mc's calibrated diode-probe.... AVO Mk. 8 BRUNO ME-70C/PSM-6B multimeter with dc-z = 1Kohm/V or 20Kohm/V :-) Brüel & Kjaer 2401 mV VTM Grundig MV20 mV VTM HP 4½ digit. 34702A Bench DVOM Metex 3800 DMM - They ALL work FLAWLESSLY, and i wouldn't part with any of them!!! Best regards Tonni, Denmark Keep the glow up! Article: 101323 of rec.radio.amateur.boatanchors Message-ID: <43C0D2CC.786968D3@hotmail.com> Date: Sun, 08 Jan 2006 08:52:28 +0000 From: Pooh Bear Subject: Re: FA: Simpson 303 VTVM oldie but goodie!!! References: <1136611300.798609.61920@g43g2000cwa.googlegroups.com> <43c0c88d$0$200$edfadb0f@dread11.news.tele.dk> Tonni wrote: > Why not just say all meters, even the most crappy, has their strengts!!! > > For the warious reasons mentioned i simply use all my meters > occationly.... - Also more at the same time. :-D > > And, amongst others, that's: > > ANTON TS505D/U VTMM, with 500Mc's calibrated diode-probe.... > AVO Mk. 8 > BRUNO ME-70C/PSM-6B multimeter with dc-z = 1Kohm/V or 20Kohm/V :-) > Brüel & Kjaer 2401 mV VTM > Grundig MV20 mV VTM > HP 4½ digit. 34702A Bench DVOM > Metex 3800 DMM > > - They ALL work FLAWLESSLY, and i wouldn't part with any of them!!! You must have a lot of spare bench space ! Graham Article: 101324 of rec.radio.amateur.boatanchors From: "Tonni" References: <1136611300.798609.61920@g43g2000cwa.googlegroups.com> <43c0c88d$0$200$edfadb0f@dread11.news.tele.dk> <43C0D2CC.786968D3@hotmail.com> Subject: Re: FA: Simpson 303 VTVM oldie but goodie!!! Date: Sun, 8 Jan 2006 10:16:37 +0100 Message-ID: <43c0d875$0$179$edfadb0f@dread11.news.tele.dk> "Pooh Bear" skrev i en meddelelse news:43C0D2CC.786968D3@hotmail.com... > You must have a lot of spare bench space ! > > Graham > And some shelve's!!! :-D Best regards Tonni Keep the glow up! Article: 101325 of rec.radio.amateur.boatanchors Message-ID: <43C133BB.22ABC3F2@turneraudio.com.au> From: Patrick Turner Subject: Re: FA: Simpson 303 VTVM oldie but goodie!!! References: <1136611300.798609.61920@g43g2000cwa.googlegroups.com> <43BF8B8E.7FBA9CBD@hotmail.com> <43C016AA.7894F156@hotmail.com> <11s0e02lmhfmu50@corp.supernews.com> <0PednWXzRNjr913enZ2dnUVZ_tqdnZ2d@giganews.com> Date: Sun, 08 Jan 2006 14:52:34 GMT BFoelsch wrote: > Nobody has mentioned the MAIN reason VTVMs were preferred for radios years > ago... > > The standard VTVM circuit has an impedance of 10M in the meter and 1M right > at the tip of the probe (on the DC ranges, the AC ranges are direct > connections). That means that the capacitance of the cable and the input > capacitance of the meter is virtually isolated from the circuit under test. > > Using a standard VOM, of any impedance, to measure the DC grid voltage of a > tube local oscillator is generally fruitless because the added capacitance > of the cable and meter, sometimes 100 pF or more, loads the oscillator and > either stops it or badly detunes it. The VTVM however has only a very few pF > at the tip (on the DC ranges) and provides only minimal circuit disturbance. > That is why VTVMs either have separate AC and DC probes or a probe with a > switch. I get a kick out of the experts who modify their Heath VTVMs to work > without a switchable probe. This completely defeats the only real remaining > benefit of a VTVM! > > Now, if someone designs a DVM with a 1 M resistor in its probe to accomplish > the same result, we can officially announce the death of the VTVM. Of > course, using an oscilloscope with a 10X probe accomplishes exactly the same > thing. I have a probe which uses 1M to 10k R divider which reduces the voltage 100 times and causes little problem with most AM radio circuits, and the stray C is low. So if you have 10V DC to measure, it comes to the meter/CRO at 0.1V. Or if V = 1000V, 10V is at the meter or CRO. Where 1000V is involved, the I flow is only 1mA, which usually won't upset too many things you may test in tubed gear. I have the R divider with 3 x 330k in series then the 10k , and mounted on a 300mm peice of wooden dowel with generous multi layer heatshrink to prevent stray unwanted contact when the small hook probe end is being hooked around a circuit. Its nice to see the IF envelope of an IF stage without losses, or the detector envelope etc. Many voltages in RF or IF stage outputs is quite high, maybe 100Vrms of signal at the 455 kHz IF, so its easily read after reducing 100 times in level. The output from the 10k is OK for most CRO at relatively low RF. But for better measuring, mounting a tube cathode follower in a can with umbilical cable and screened lead from the cathode and bootstrapped grid bias gices a nice rugged high impedance low capacitance probe that reduces the input voltage only a dB or so. A 6J6 may be quite good, EC97, etc. Maybe a 6DJ8, 12AT7 also. But input voltage is limited to the max Vo of the CF, maybe only 40Vrms. The grid input to the follower must have a DC blocker cap to stop the probe affecting DC bias voltages in grid circuits. If such a probe with a 200V supply and idle V at the CF cathode is say 100V, then connecting to a bias voltage of -40V will make the CF cut right off. But such a proble won't mind occasional overloads that would blow the crap out of a j-fet. Patrick Turner. My millivolt ac meter I made has Vin limiting, fet input, all SS amplifying and a 1metre shielded cable doesn't do much to most signals. R in is 500k on the lowest range of 0-10 mV, but much higher R in when measuring up to 1,000V. Bandwidth is 2Hz to 2MHz, and some C compensation across the Rin switched dividers is required to flatten response. For measuring smallish signal voltages to 30MHz I have a wide band amp with two RF transistors that gives 26dB of gain, 50 ohms termination output impedance, and which is in the millvolt meter. I have a couple of partially stuffed/burned VTVM laying around that I was given, but I doubt i will bother to repair them. Patrick Turner. > > > "- exray -" wrote in message > news:11s0e02lmhfmu50@corp.supernews.com... > > Pooh Bear wrote: > >> > > > >>>the analog meter is a lot easier to follow when doing alignment, etc. > >>> > >>>Pete > >> > >> > >> That is indeed where they score. > >> > >> Graham > > > > I suppose. I haven't used my old VTVM for alignment in so many years I > > have forgotten! I think much of that argument has been dispelled in > > recent years with DMMs that update and refresh the display faster than the > > wink of an eye. I remember the early DMMs that weren't worth a crap for > > alignment even with the little 'bar'... that had poor resolution. > > > > Biggest DMM plus for me is that I can set the meter right alongside the > > chassis and glance over and see it rather than looking up on the shelf. > > And I can actually see the big 1 inch numbers without squinting my tired > > old eyes on an old faded 'red' scale :) > > > > -ex Article: 101326 of rec.radio.amateur.boatanchors From: "Litzendraht" Subject: Re: Collins 18 S-4 Date: Mon, 09 Jan 2006 15:00:41 +0100 Message-ID: References: <7af6b$43b9c98d$471d2513$30052@ALLTEL.NET> <43BA7167.1060903@adelphia.net> <43BDCC6C.7070004@adelphia.net> <5aabb$43bee406$471d2687$21415@ALLTEL.NET> <43C03B2B.4000306@adelphia.net> I can't seem to post on Google, so I'll try it here on Talkabout. Fred mentioned in his first post that the dynamotors had been removed from both of his units. When I looked at the pictures in this 18S instruction manual, the first thing I noticed were the 811's and mod transformer. They look like they were lifted from an ART-13 as well. John Article: 101327 of rec.radio.amateur.boatanchors From: msix@nmia.com Subject: FS: Coil stock, forms de W7ZFB Date: Sun, 8 Jan 2006 20:05:39 +0000 (UTC) Message-ID: B&W, 2.75in D, 10in L, 6TPI, #14 wire, clean, no taps, no bent turns, slight tarnish, $14 MasterMobile No. 750 loading coil, 2.5in D, 13in L, 6 and 11 TPI, end caps threaded 3/8-24, plastic MM cover, shiny, no slider. $14 set of 9 3/4in D slug tuned coil forms used, $12 6.5, 4.5, 4.25, 4.25, 3, 3, 3, 2.75, 2.75 inches long plus postage 73 John Article: 101328 of rec.radio.amateur.boatanchors From: Mark@The.KB Subject: FA: Hughes AN/PRC-74B HF Packset, excellent appearing, 100% operational, w/accessories Message-ID: Date: Sun, 08 Jan 2006 20:53:40 GMT I've just put up a Hughes AN/PRC-74B HF packset in excellent operating condition, with critical accessories (some of which have become quite difficult to find). http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=6595561162 I built up this unit from separate modules and a spares kit panel/chassis. Repairs and alignment were done whenever necessary to bring the radio to original Hughes specs. This included replacing any synthesizer crystals that had aged out in frequency too far to allow alignment. All crystals are now within frequency spec, and all frequencies will calibrate. This radio now meets or exceeds the original Hughes specs. Included in the sale are the original canvas accessory bag, whip antenna, flexible whip base, whip bracket (now nearly impossible to find), metal battery box, dipole fixture, and H-250 handset. Just add a battery and you're ready to go. --Mark Article: 101329 of rec.radio.amateur.boatanchors Message-ID: <43C1891D.E6B3A5E0@hotmail.com> Date: Sun, 08 Jan 2006 21:50:21 +0000 From: Pooh Bear Subject: Re: FA: Simpson 303 VTVM oldie but goodie!!! References: <1136611300.798609.61920@g43g2000cwa.googlegroups.com> <43BF8B8E.7FBA9CBD@hotmail.com> gb wrote: > " Uncle Peter" wrote in message > news:gnPvf.40382$Mi5.33533@dukeread07... > > > > "Pooh Bear" wrote in message > > news:43BF8B8E.7FBA9CBD@hotmail.com... > >> > >> > >> Karl wrote: > > > The warm fuzzy feeling they give you. A modern DVM will be loads more > > accurate. > >> > >> Graham > >> > > > > For a lot of vintage tube related repairs, you don't need accuracy or > > precision, but > > the analog meter is a lot easier to follow when doing alignment, etc. > > > > Pete > > Correct, in fact I have a Heath IM-28 just for that reason (and its the only > analog meter). Yes, I have the Fluke 87 also and use it for most routine > bench measurements .. but the Heath is used for alignments and when I want > an analog movement to see what is really going on ...... about same reasons > some good troubleshooters still keep analog scopes. No substitute for a good analog scope ! Tek 465 here. Graham Article: 101330 of rec.radio.amateur.boatanchors From: "al goss" References: Subject: Re: Tubes: OB2 OA2 Message-ID: Date: Sun, 08 Jan 2006 22:28:24 GMT have what I need many thanks for all responses. AL "al goss" wrote in message news:uBvuf.2621$OU3.2361@news01.roc.ny... > For Gonset 903 & 913 amps. > 2 ea. OB2 1ea. OA2 or qty 4 & 2 respectively ok. > Prefer to keep it original, are daily used amps.... > tubes r for spare parts. al > k2erg@arrl.net > Article: 101331 of rec.radio.amateur.boatanchors From: "Tonni" References: <1136611300.798609.61920@g43g2000cwa.googlegroups.com> <43BF8B8E.7FBA9CBD@hotmail.com> <43C1891D.E6B3A5E0@hotmail.com> Subject: Re: FA: Simpson 303 VTVM oldie but goodie!!! Date: Sun, 8 Jan 2006 23:40:17 +0100 Message-ID: <43c194d2$0$181$edfadb0f@dread11.news.tele.dk> "Pooh Bear" skrev i en meddelelse news:43C1891D.E6B3A5E0@hotmail.com... > > No substitute for a good analog scope ! > > Tek 465 here. > > Graham Halleluja!!! Tek 547 Here! And D..m, it's good! /Tonni ---------------------------------------- Jeg beskyttes af den gratis SPAMfighter til privatbrugere. Den har indtil videre sparet mig for at fÃ¥ 295 spam-mails. Betalende brugere fÃ¥r ikke denne besked i deres e-mails. Hent gratis SPAMfighter her: www.spamfighter.dk Article: 101332 of rec.radio.amateur.boatanchors From: ehramm@dk3uz.ampr.org (Edmund H. Ramm) Subject: Re: FA: Simpson 303 VTVM oldie but goodie!!! References: <1136611300.798609.61920@g43g2000cwa.googlegroups.com> <43BF8B8E.7FBA9CBD@hotmail.com> <43bfe436$0$1849$c3e8da3@news.astraweb.com> <43BFEF52.4CAC458B@hotmail.com> <43c0078e$0$1814$c3e8da3@news.astraweb.com> <43C0166A.684A2B25@hotmail.com> Message-ID: Date: Sun, 8 Jan 2006 22:17:43 GMT In <43C0166A.684A2B25@hotmail.com> Pooh Bear writes: > [...] > The error simply reading the needle on a VTVM will exceed the measurement > error on most DVMs. Aren't you mixing up resolution and accuracy here? 73, Eddi ._._. -- e-mail: dk3uz AT darc DOT de | AMPRNET: dk3uz@db0hht.ampr.org If replying to a Usenet article, please use above e-mail address. Linux/m68k, the best U**x ever to hit an Atari! Article: 101333 of rec.radio.amateur.boatanchors From: " Uncle Peter" References: <1134520239.071671.96720@g44g2000cwa.googlegroups.com> <1136770300.583119.201460@g43g2000cwa.googlegroups.com> Subject: Re: What Does Your Electronics Workshop Look Like? Message-ID: <8skwf.41619$Mi5.38422@dukeread07> Date: Sun, 8 Jan 2006 22:07:13 -0500 http://radioatticarchives.com/features/fun/bertini.jpg Rotary parts storage bin in corner. Tools are in the black tool chest. BTW, the test gear has doubled since this photo was taken. Pete k1zjh Article: 101334 of rec.radio.amateur.boatanchors From: "James T. White" References: <1134520239.071671.96720@g44g2000cwa.googlegroups.com> <1136770300.583119.201460@g43g2000cwa.googlegroups.com> <8skwf.41619$Mi5.38422@dukeread07> Subject: Re: What Does Your Electronics Workshop Look Like? Date: Sun, 8 Jan 2006 21:51:20 -0600 Message-ID: <43c1dc1f$0$504$a726171b@news.hal-pc.org> " Uncle Peter" wrote in message news:8skwf.41619$Mi5.38422@dukeread07... > http://radioatticarchives.com/features/fun/bertini.jpg > > Rotary parts storage bin in corner. Tools are in the black tool chest. BTW, > the test gear > has doubled since this photo was taken. > Pete, Hopefully you added some additional vertical support on those long shelves.... -- James T. White Article: 101335 of rec.radio.amateur.boatanchors From: "Litzendraht" Subject: How come I can post on Talkabout and not on Google? Date: Tue, 10 Jan 2006 02:13:51 +0100 Message-ID: <79f71cc83c8b4388ccf2d1bade77541f@localhost.talkaboutradio.com> I still do not understand this linkage between Google Groups and Talkabout. If I post on Google, it doesn't work. But if I post on Talkabout, it shows up on Talkabout and Google. I prefer reading Google because of the format. But I have to post on Talkabout to be heard. This stuff's over my head. John Article: 101336 of rec.radio.amateur.boatanchors From: "kh" Message-ID: <0QMXZWh9EdSr-pn2-jKxzoDyE86He@localhost> Subject: Re: B/A's FS Md/DC/Va area References: Date: 9 Jan 2006 04:14:00 -0600 On Sat, 7 Jan 2006 14:37:05 UTC, K3HVG wrote: > It is with some regret, I guess, that I list the following gear. The > new QTH will have a lot less space (read: no basement, etc.) so a good > (not all!) portion of my hard-fought collection must be divested. Its > been a good trip getting all this stuff, fixing some of it up, > re-capping, the gamut. Everything listed is fully operational, unless > specifically noted otherwise, and is generally "on the air" at this > time. Nothing has been in my Grandfather's attic, Aunt Minnie's garage, > or worked when I put it away just before the Spanish-American War. > Inspection, acceptance, and pick-up is at my QTH, I won't chance > shipping this equipment. I can fwd a pix if you need one. Ratings of > the eqpt are, I think, conservative. But, that's why I want anyone to > see and inspect each piece. If you need more specific info, please QSL. Guys, I've been to Jeep's place and purchased an early S-Line from him. (two 75S-1's, a 32S-1, 30L-1, 312B-4, etc) I am overjoyed with the S-Line. I never thought I would ever have a station this nice. I've seen how he treats his radios and would not hesitate to buy anything from him. If you have ever wanted any of these, buy it now before someone else does. de ah6gi/4 > 1. BC-312N, AC, SCR-399 hooks, cont. connector VG+ $210 > 2. SP-600/JX-21 w/ cabinet VG+ $400 > 3. URR-35/URR-27 UHF/VHF rcvrs, audio amp panel, rack VG+ $195 > 4. RBM MF Rcvr, HB ext. a.c. supply VG+ $145 > 5. RBM HF Rcvr, HB ext. a.c. supply VG+ $145 > 6. AN/GRC-19B, PP-4763A, access, 120w on 3885. EXC $700 > 7. Bendix BC-638A/RA-42A, (cabinet) as-new $140 > 8. RCA 8506A HF Rcvr (Liberty/Victory ship) Exc. $225 > 9. Chicom 102E radio set, complete, ER tune-up New $295 > 10. Chicom 884 VHF radio sets w/batt+chgr+access New $210 (pr) > 11. Hallicrafters SX-101 MKII Exc $250 > 12. National NC-183/Spkr (front panel perfect) VG+ $275 > 13. National NC-183D/Spkr (panel perfect) Good $300 > 14. Hammarlund HQ-170AC (24hr) VG+ $275 > 15. Hammarlund HQ-150/Spkr VG+ $275 > 16. Hammarlund HQ-140/Spkr VG+ $275 > 17. Hallicrafters T.O. Keyer/Vibrokeyer VG+ $140 > 18. Collins 75A4/Spkr (Mills) VG+ $1300 > 19. Gonset GSB-100 on-the-air nice $200 > 20. Drake "C" Line, L4B, C4 console > w/ S&S DVFO-II gen'l coverage adapt Exc $1500 > 21. Yaesu FT-990AC w/TCXO NTIA Compliant As-new $880 > > Regards de Jeep/K3HVG ( /4 ???) > -- Article: 101337 of rec.radio.amateur.boatanchors From: - exray - Subject: Re: How come I can post on Talkabout and not on Google? Date: Mon, 09 Jan 2006 08:36:14 -0400 Message-ID: <11s4m60j15a1hc5@corp.supernews.com> References: <79f71cc83c8b4388ccf2d1bade77541f@localhost.talkaboutradio.com> Litzendraht wrote: > I still do not understand this linkage between Google Groups and > Talkabout. > > If I post on Google, it doesn't work. But if I post on Talkabout, it shows > up on Talkabout and Google. > > I prefer reading Google because of the format. > > But I have to post on Talkabout to be heard. > > This stuff's over my head. > > John > Apparently Google had some problems on Sunday. I've noticed others complaining on other groups. Usenet is simply an open bulletin board type of thing. Nobody owns it, nobody runs it. Each outfit maintains its own servers, etc. They aren't necessarily interconnected in any way. Google is just a portal. -BM Article: 101338 of rec.radio.amateur.boatanchors From: "John, N9JG" References: <1136824815.235656.134960@g44g2000cwa.googlegroups.com> Subject: Re: Radio Room Clock FS Message-ID: <3Nzwf.475929$084.372004@attbi_s22> Date: Mon, 09 Jan 2006 20:34:07 GMT Ok, but where is a picture of this "pinnacle of maritime timekeeping"? "safetypro" wrote in message news:1136824815.235656.134960@g44g2000cwa.googlegroups.com... > The Chelsea Timemaster is the pinnacle of maritime timekeeping - and > this model features a Radio Room dial. This clock has been used for > many years by the United States Navy in the demanding shipboard > environment - setting the standard long before satellites were used for > navigation - and still in use today. > [stuff] Article: 101339 of rec.radio.amateur.boatanchors From: - exray - Subject: Re: Radio Room Clock FS Date: Mon, 09 Jan 2006 18:30:35 -0400 Message-ID: <11s5p0dk4s62m21@corp.supernews.com> References: <1136824815.235656.134960@g44g2000cwa.googlegroups.com> <3Nzwf.475929$084.372004@attbi_s22> Phil Nelson wrote: > If you'd like to save $180 or more, this makes a nice radio room clock. > > http://antiqueradio.org/art/temp/MastercraftersClock.jpg I think the ones he's selling are the maritime radio type like... http://www.sparkbench.com/xrc.jpg -ex Article: 101340 of rec.radio.amateur.boatanchors From: "Jim McShane" Subject: FS: Transmiiting/Boatanchor Tubes Message-ID: <%FEwf.5111$4o7.3441@newssvr24.news.prodigy.net> Date: Tue, 10 Jan 2006 02:07:55 GMT I posted these a few weeks ago, and some found a home, but I still have a lot of tubes that I can't really use - so I cut the prices further. Here's an updated price list: Qty. Type Web Price My Price ea. 1 2K25 $25.00 $11.00 1 3E29 (829A) $14.00 $7.00 1 5D21 $42.00 $19.00 1 705A $10.00 $5.00 3 815 $15.00 $7.00 1 826 $35.00 $16.00 2 829B $14.00 $7.00 2 832A $7.00 $3.50 1 8122 (used?) $225.00 $75.00 1 7034/4X150A $90.00 $40.00 (new in box Eimac) (3) 4-125A/4D21 $95.00 ea. $47.00 ea. (2 Eimac, 1 GE) I can't test most of these, but I guarantee no DOA tubes or I'll refund the purchase price. Drop me a note if you can use any of these, thanks! Jim McShane Need Tubes? Got a H-K Citation (Pre) Amp? Check http://pages.prodigy.net/jimmcshane Repro knobs for Citation gear in stock! Article: 101341 of rec.radio.amateur.boatanchors From: msix@nmia.com Subject: FS: Knobs de W7ZFB Date: Tue, 10 Jan 2006 03:51:47 +0000 (UTC) Message-ID: Original Collins S-Line main tuning knob. Black, skirted, finger hole, silver insert. Excellent shape $20 Set of knobs for Heath SB-100/1/2, HW-100/1/2 Large main tuning, 10 smaller, NO lever knobs. Green, silver insets, silver skirts, black arrowhead indeces Excellent shape $20 plus postage 73 John n Article: 101342 of rec.radio.amateur.boatanchors From: none Subject: Re: What Does Your Electronics Workshop Look Like? Message-ID: <2kc6s1hjn2v97b43omppirch2t4f9lr066@4ax.com> References: <1134520239.071671.96720@g44g2000cwa.googlegroups.com> <1136694189.674426.115940@g14g2000cwa.googlegroups.com> Date: Mon, 09 Jan 2006 22:16:24 -0600 On 8 Jan 2006 18:58:29 -0800, "Too_Many_Tools" wrote: >Thanks for all the responses.... > >A few more questions.... > >How many of you use racks to hold your test equipment? > Mostly shelves especially sized for the test gear. >If you do use racks, how do you have your equipment arranged? > Most frequently used test jigs front and center on the shelf directly over my bench, less often used jigs to either side and portable meters(vom's esr's etc...) on the test bench to the rear or stored in drawers directly under the bench.( hand tools such as screwdrivers and such are mounted on the wall in 2x4's with drilled holes or clamps/hooks to hold them.) >Are the racks full length racks or do you have part rack and part >cabinet? > >How do you handle parts storage? Metal storage cabinets for some parts.(most frequently used.) others stored in plastic storage tubs with lids(pushed under cabinets or shelves) Also some metal shop shelves for aerosols/cleaners/abrasives/paints etc... I've also been fortunate in obtaining metal storage cabinets with drawers from local hardware stores that toss them when remodeling, indispensable when trying to collate the massive amount of nuts/bolts/screw and small parts I accumulate from scrap salvage or toss offs of others.(I probably hold the title for worlds biggest parts scrounge.) > >How about lighting? > >TMT Article: 101343 of rec.radio.amateur.boatanchors From: none Subject: Re: What Does Your Electronics Workshop Look Like? Message-ID: References: <1134520239.071671.96720@g44g2000cwa.googlegroups.com> <1136770300.583119.201460@g43g2000cwa.googlegroups.com> Date: Mon, 09 Jan 2006 22:29:42 -0600 On 8 Jan 2006 17:31:40 -0800, "Too_Many_Tools" wrote: >Thanks for the responses.... > >Of those who use racks to hold their equipment, how do you have the >equipment arranged and how are the racks distributed? > >For storage, what do you use? What works and what does not? > >How about lighting? Flourescent, mainly because I can get the fixtures for nothing. People are always tossing them out in all shapes and sizes.(Some can be extremely wasteful when remodeling or rebuilding.) Also flouro is of course much more efficient resulting in much lower electricity bills for your shop. I also have a number of the flex-arm work lights, both flourescent as well as incandescent. I have one mounted on the corner of my work bench for all the close up work I have to do.(The incandescent flex-arm lamps can easily be converted to flouro for general work by using a screw in spiral tube flourescent bulb , or converted back to high watt incandescent for work requiring more intense light.) People toss out those flourescent aquarium light fixtures all the time. Most are 18 inch and make excellent under shelf light fixtures for light directly on the bench. The tubes are easily swapped out for normal balanced tubes and the black plastic housing usually have open spaces on either end to allow drilling holes for mounting to the under shelf.( I use #8 x 1 inch sheet metal screws with fender washers to mount them. takes just a couple of minutes and you've got a nifty under shelf light for next to nothing.) > >Thanks > >TMT Article: 101344 of rec.radio.amateur.boatanchors From: "rp" Subject: FS: TS430s Message-ID: Date: Tue, 10 Jan 2006 04:59:24 GMT Kenwood TS430s with SBN, AM filters, FM, board good condition, good faceplate $375 Local Long Island PU -Joe "NOSPAM" Article: 101345 of rec.radio.amateur.boatanchors From: "Steve" Subject: Help:Hammerlund SP-600 Date: Tue, 10 Jan 2006 08:54:41 -0800 Message-ID: <43c3e68d$0$95989$742ec2ed@news.sonic.net> I'm having a hard time resolving a problem on an SP-600, JX-26 I'm restoring. Hopefully there's someone out there that can help. On the 3.45-7.4 MC band (only), received signals are somewhat distorted. Normally, when tuning in a CW signal with the BFO on, you'd expect an undistorted tone as you tune. On my radio, it'll sound more like a growl. Signal strength doesn't seem to matter. I just finished a complete re-capping of this radio. Anyone need about 60 leaky black beauty caps??? The problem existed before I re-capped the radio. I was hoping new caps would solve the problem. It didn't. As I mentioned earlier, all other bands are fine. Sensitivity and selectivity is good. I have removed the ceramic tuning sections, and didn't find any cold solder joints or flakey contacts. All tubes have been tested and are OK. Power supply voltages are normal. Steve Article: 101346 of rec.radio.amateur.boatanchors From: msix@nmia.com Subject: FS: Fall 69 callbook de W7ZFB Date: Tue, 10 Jan 2006 17:34:29 +0000 (UTC) Message-ID: Shopworn but all there and in gud shape. Nothing missing. $10 plus postage 73 John - Always good in QRZ n Article: 101347 of rec.radio.amateur.boatanchors From: "Cincinnati" Subject: NC-300 accessory question Date: Tue, 10 Jan 2006 13:40:25 -0500 Message-ID: <9d137$43c3ff9a$48317871$26832@FUSE.NET> I just received a NC-300 with small chassis in the accessory plug I can not figure out. It has a stamp on it of "74400 Millen". It has four tubes looks like the VHF converters except: (1) The tube lineup is 3 inline and one double. (2)The are no external IF plugs. Also, in testing, I am receiving good audio but no stations. All tubes light. Any help appreciated. USE EMAIL BELOW IF REPLYING DIRECT hamguy (at) fuse.net Thanks -- ---------------------- Ron Schuster N9RC Cincinnati, OH ---------------------- Article: 101348 of rec.radio.amateur.boatanchors From: "Fred W4JLE" References: <9d137$43c3ff9a$48317871$26832@FUSE.NET> Subject: Re: NC-300 accessory question Date: Tue, 10 Jan 2006 18:14:07 -0500 Message-ID: Sounds like either an outboard q multiplier or a product detector. "Cincinnati" wrote in message news:9d137$43c3ff9a$48317871$26832@FUSE.NET... > I just received a NC-300 with small chassis in the accessory plug I can not > figure out. > > It has a stamp on it of "74400 Millen". > > It has four tubes looks like the VHF converters except: (1) The tube lineup > is 3 inline and one double. (2)The are no external IF plugs. > > Also, in testing, I am receiving good audio but no stations. All tubes > light. > > Any help appreciated. > > USE EMAIL BELOW IF REPLYING DIRECT > > hamguy (at) fuse.net > > Thanks > > -- > > > ---------------------- > Ron Schuster N9RC > Cincinnati, OH > ---------------------- > > Article: 101349 of rec.radio.amateur.boatanchors From: "Charles" References: <9d137$43c3ff9a$48317871$26832@FUSE.NET> Subject: Re: NC-300 accessory question Message-ID: Date: Tue, 10 Jan 2006 17:09:24 -0600 Maybe a Xtal Calib. like I have in my 75A3. Does it have a switch? "Cincinnati" wrote in message news:9d137$43c3ff9a$48317871$26832@FUSE.NET... >I just received a NC-300 with small chassis in the accessory plug I can not >figure out. > > It has a stamp on it of "74400 Millen". > > It has four tubes looks like the VHF converters except: (1) The tube > lineup is 3 inline and one double. (2)The are no external IF plugs. > > Also, in testing, I am receiving good audio but no stations. All tubes > light. > > Any help appreciated. > > USE EMAIL BELOW IF REPLYING DIRECT > > hamguy (at) fuse.net > > Thanks > > -- > > > ---------------------- > Ron Schuster N9RC > Cincinnati, OH > ---------------------- > > Article: 101350 of rec.radio.amateur.boatanchors From: "Cincinnati" References: <9d137$43c3ff9a$48317871$26832@FUSE.NET> Subject: Re: NC-300 accessory question Date: Tue, 10 Jan 2006 19:15:42 -0500 Message-ID: The crystal calibrator has it's own socket. It's there and has one tube. This is a mystery because all the accessory socket on the NC-300 does is supply power. Good news it is working now. It looks like something inside came back to life -- ---------------------- Ron Schuster Cincinnati, OH ---------------------- Article: 101351 of rec.radio.amateur.boatanchors From: Roy Lewallen Subject: Re: Favorite Tektronix Scope Date: Tue, 10 Jan 2006 17:16:14 -0800 Message-ID: <11s8qjeohg2n8c1@corp.supernews.com> References: <1136148561.946351.257400@g44g2000cwa.googlegroups.com> <29ijr15923pim2ih03vovp4rsr3mea6ihl@4ax.com> Ron wrote: > > Not to mention, Audio. > > THD is usefult to a point, but can't really tell how pleasant, > subjectively, the sound will be. A spectrum display provides the > missing insight. > Wow. Does it show you the improvement from cryogenically treated, oxygen-free speaker cables? Roy Lewallen, W7EL Article: 101352 of rec.radio.amateur.boatanchors From: "Clif Holland" References: <1136148561.946351.257400@g44g2000cwa.googlegroups.com> <29ijr15923pim2ih03vovp4rsr3mea6ihl@4ax.com> <11s8qjeohg2n8c1@corp.supernews.com> Subject: Re: Favorite Tektronix Scope Message-ID: Date: Wed, 11 Jan 2006 03:35:46 GMT Sure it does Ray. Just like the two hams on 40 today. One had installed RG8 in place of 58 and wanted to know how much better his signal sounded. I almost fell off my stool.... -- Clif Holland KA5IPF www.avvid.com "Roy Lewallen" wrote in message news:11s8qjeohg2n8c1@corp.supernews.com... > Ron wrote: >> >> Not to mention, Audio. >> >> THD is usefult to a point, but can't really tell how pleasant, >> subjectively, the sound will be. A spectrum display provides the >> missing insight. >> > > Wow. Does it show you the improvement from cryogenically treated, > oxygen-free speaker cables? > > Roy Lewallen, W7EL Article: 101353 of rec.radio.amateur.boatanchors From: "JOHN D" Subject: NC-190 Ferrite Filter questions Message-ID: <1M4xf.22507$em5.3806@trnddc05> Date: Wed, 11 Jan 2006 10:05:49 GMT The FL1 and FL2 ferrite filters in my NC-190 will not adjust to 230kc as specified in the manual. About 227kc is as close as I can get them. I can't find any info on them. Are they just coils? How do they work? Should I just align the whole I.F. to 227kc? Any thoughts? I think when this radio was made, it was still kilocycles. I if I align it to khz might not function right. (joke) Remove 1 to reply John Article: 101354 of rec.radio.amateur.boatanchors From: "Heytubeguy" Subject: FA: Globe 46+ air variables+stuff Message-ID: Date: Wed, 11 Jan 2006 14:33:42 GMT Original GLOBE type 46 that tested very strong + many other air variables at: http://search.ebay.com/_W0QQfgtpZ1QQfrppZ25QQsassZheytubeguy tnx heytubeguy Article: 101355 of rec.radio.amateur.boatanchors From: "Bob Spooner" Subject: Re: Radio Room Clock FS Date: Wed, 11 Jan 2006 10:36:36 -0500 Message-ID: References: <1136824815.235656.134960@g44g2000cwa.googlegroups.com> <3Nzwf.475929$084.372004@attbi_s22> <11s5p0dk4s62m21@corp.supernews.com> <1136928675.651510.303970@o13g2000cwo.googlegroups.com> wrote in message news:<1136928675.651510.303970@o13g2000cwo.googlegroups.com>... > > de Mac wrote: > > > > quartz clock in plastic case > > check out the reproduction ships radio room clocks > > go to e ham reviews ham shack clocks, then to W1GFH Radio Room Clocks > > looks good works well and only $15.99 > > > > not the real deal but the best cheap hamshack clock ive ever had > > Mac w8znx > > > > > > -- > > de Mac > > I have one and it works great! > > Olaf Benjaminsen > My radio room clock is a Le Cross Technology clock set to UTC that synchronizes with WWVB every night. I never have to worry about resetting it. It also gives me the date, outdoor temerature, and indoor temperature. 73, Bob AD3K Article: 101356 of rec.radio.amateur.boatanchors From: "Earl Needham" Subject: Re: Radio Room Clock FS Date: Wed, 11 Jan 2006 09:07:25 -0700 Message-ID: <11sab9tbet8ac43@corp.supernews.com> References: <1136824815.235656.134960@g44g2000cwa.googlegroups.com> <3Nzwf.475929$084.372004@attbi_s22> <11s5p0dk4s62m21@corp.supernews.com> <1136928675.651510.303970@o13g2000cwo.googlegroups.com> Speaking of our hamshack clocks, some years ago I had a Seiko that showed time in any of the time zones around the world by a bezel that could move. It was actually a clock nice enough to go on your mantle, as it was in a brushed "gold-colored" case, with smoked plastic sides, etc. I really liked that clock, but in a military move to Korea and back, the movers destroyed it. Sure wish I could find another one, at a reasonable price -- back in teh early '80's, I think I paid around $100 for it. Earl -- Earl Needham Clovis, New Mexico USA Article: 101357 of rec.radio.amateur.boatanchors From: "AAA RF Products" Subject: RF Connectors, Adapters & Cable Assemblies Message-ID: Date: Wed, 11 Jan 2006 09:48:40 -0800 For your free copy of our new catalog, please email sales@AAARFProducts.com or see www.aaarfproducts.com or call 949 481 3154 (San Clemente, CA, USA) No minimum order. No handling charges Article: 101358 of rec.radio.amateur.boatanchors From: "JOHN D" References: <1M4xf.22507$em5.3806@trnddc05> <1137010604.162836.158350@g47g2000cwa.googlegroups.com> Subject: Re: NC-190 Ferrite Filter questions Message-ID: Date: Wed, 11 Jan 2006 23:42:21 GMT "Litzendraht" wrote in message news:1137010604.162836.158350@g47g2000cwa.googlegroups.com... > Yes, they are just coils that are enclosed in ferrite pot cores to > make them "Hi-Q". You have found the threaded rods sticking out each > side. This is how you vary the frequency of each coil. > > The last time I fooled with it, I recall that it had a pretty wide > tuning range up and down from 230 kc. Each coil winding has a dipped > silver mica cap across it's terminals underneath. I can't imagine those > caps drifting in value. > > I agree with Don that you should probably align it in the "narrow > "position. Is it .6 kc? I think. > > How accurate is your test equipment? > > John > I have a RCA WR-50B signal Generator which I checked against a BC-221 hetrodyne frequency meter set at 230Kkc. I had previously checked the internal 2mc crystal in the BC-221 against wwv. I also have a old Heath/Schlumberger counter with 2 ranges that are too high and too low for 230kc. The high range indicates .230 mhz with the zero flashing 1 and the low range indicates overflow and reads 29.942 The manual does say to align at the narrow, 6kc, bandwidth position. Maybe some other external component is affecting it. I also have a hard time thinking any mica caps have changed value especially since it seems they would have to increase in value to cause the problem. There's a couple molded paper bypass caps in the circuit. John Article: 101359 of rec.radio.amateur.boatanchors From: "JOHN D" References: <1M4xf.22507$em5.3806@trnddc05> <1137010604.162836.158350@g47g2000cwa.googlegroups.com> Subject: Re: NC-190 Ferrite Filter questions Message-ID: <4ljxf.9794$Lh1.1962@trnddc01> Date: Thu, 12 Jan 2006 02:41:04 GMT "COLIN LAMB" wrote in message news:Tvhxf.4074$WY5.3491@newsread2.news.pas.earthlink.net... > Hi John: > > I have a 190 that probably needs alignment one of these days. I would > certainly check the paper caps. Years ago I had an old HT-32 that would not > null anymore. I replaced every component in the circuit, yet it was still > unbalanced. I finally put in an completely different circuit - which worked > great on ssb but gave up am. > > Decades later, it suddenly dawned upon me while working on a different > circuit that there was a leaky paper cap just outside of the circuit that > caused all of my grief. > > Sorry about the kHz / cycles bad joke - but you started it. > > Good luck, Colin K7FM > > I enjoyed the joke. I suspect though, that the kc to khz conversion must be done on a slide rule to get the correct answer cus the clock in a calculator runs in khz's. I was in school when they made the change. Some of the guys were afraid their motorcycles would become motorhertzes. John Aye Bee IX Jay Bee Article: 101360 of rec.radio.amateur.boatanchors From: ritchi50@optonline.net Subject: WTB: Hallicrafters SX-88 Reciever Message-ID: <5mgbs117o4912jrosutra7npe53a0eapnd@4ax.com> Date: Wed, 11 Jan 2006 21:45:30 -0500 WTB: Hallicrafters SX-88 Reciever Please reply with condition and price. ritchi50@optonline.net Article: 101361 of rec.radio.amateur.boatanchors From: "Cincinnati" Subject: WTB: Ranger Crystal cover w/knob Date: Wed, 11 Jan 2006 21:47:07 -0500 Message-ID: Wanted Johnson Ranger front panel crystal cover w/fake knob If replying direct use: hamguy (at) fuse.net -- ---------------------- Ron Schuster Cincinnati, OH ---------------------- Article: 101362 of rec.radio.amateur.boatanchors From: "JOHN D" References: <1M4xf.22507$em5.3806@trnddc05> <1137010604.162836.158350@g47g2000cwa.googlegroups.com> <1137033521.864750.275290@f14g2000cwb.googlegroups.com> Subject: Re: NC-190 Ferrite Filter questions Message-ID: Date: Thu, 12 Jan 2006 05:50:05 GMT "Litzendraht" wrote in message news:1137033521.864750.275290@f14g2000cwb.googlegroups.com... > John, > Your test equipment sure is classic. (Viva La BC-221). I use one > myself. Are you reading the freq directly from the vernier dial on the > 221? Of course if you have the book and trust your 221, that should be > close enough. But a counter would be comforting. > The BC-221 was a recent eBay purchase. They used them in school in the early 60's and I thought it would be fun to have. The shafts slipped on 2 variable cap trimmers inside allowing the plated to short. Fixed 'em with super glue. > I have an NC-270 and assuming that the filter circuitry is the same as > your 190. > > Is your receiver working OK and you're just doing a fine alignment, or > are there other issues? > It was almost dead when I got it. wireing errors, wrong miswired resistor in PS, bad 0B2, shorted coax under chassis. had to take a IF c an apart and bust out a stuck slug, slipping dial. Now it's working but not perfect. I've got the alignment better than it was. At first I just peaked the IF's where they were and didn't touch the ferrite filters. Got it to a point and let it sit for a few months. It seem like other stations are trying to come in, other than what it's tuned to. I haven't been able to tell if it's poor selectivity, images or overloading. Writeing this and thinking about it is makeing me suspect those bypass caps. > Where are you injecting the 230 kc signal? At the middle sec of the main tuning cap, the input of the 1st mixer. > > Are the two threaded rods in the filter backed all the way out and > still won't hit 230 kc? I'm sure you're aligning the other 230 kc tuned > circuits along with the filter. > They peak before the end of travel but at 230kc as I reach the peak it's not at the end yet, and keep turning it out to the end it don't go down. Its like the peak is at the point where the slug is so far out it's not makeing any more differance. 227 is as close as I can get to 230 and peak both coils.. I'm gonna clip in some extra bypass caps and see what happens. > If there has been a change in the ferrite characteristics as Chuck > mentioned, possibly those two silver mica caps (3900 pf in the NC-270) > could be replaced with a slightly lower value. But I don't think that > type of change is likely here. An R-390 linear PTO would seem to be > much more critical. > > John > Article: 101363 of rec.radio.amateur.boatanchors From: "SOMMERGIBILE" Subject: Increase selectivity by a Q multiplier Date: Thu, 12 Jan 2006 10:43:38 +0100 Message-ID: <43c6261b$1$334$5fc30a8@news.tiscali.it> http://web.tiscali.it/am2zy/ Article: 101364 of rec.radio.amateur.boatanchors From: "Jim, KK1W" Subject: FA: Various minature/octal/loctal and metal tubes Message-ID: Date: Thu, 12 Jan 2006 07:25:23 -0500 I have various assortments of vacuum tubes in auctions : http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=5851055835&rd=1&sspagename=STRK%3AMESE%3AIT&rd=1 and others. Thanks for looking, Jim, KK1W Article: 101365 of rec.radio.amateur.boatanchors From: "Paul P" Subject: Looking for Relays Hammarlund HX50 Message-ID: <43Bxf.37901$rG5.26441@trndny02> Date: Thu, 12 Jan 2006 22:50:40 GMT There are two relays in the HX50 transmitter/exciter. They are open frame DPDT 650 ohm coil with both of the coils in series as the plate resistor connected in series to the plate V107 pin6 plate. The output is a single 6DQ5 tube that is capable of CW, SSB at 60w and AM at 15 watts. Does anyone know of a source for these relays, or a substitute? If not what should the contacts be rated at current and voltage wise? I been looking a Mouser, Digikey and Newark and think I may have a sub. It will need some crafting and skill to work it into the RF section at the antenna connector. Thanks in advance, Paul. paul at ppinyot dot c o m. Article: 101366 of rec.radio.amateur.boatanchors Message-ID: <4d9740@58c97f4d2.mil> From: Subject: da 8 bytes di header seguita dal numero di byte riservati per i dati: facendo Date: Thu, 12 Jan 2006 23:20:03 GMT da 8 bytes di header seguita dal numero di byte riservati per i dati: facendo Article: 101367 of rec.radio.amateur.boatanchors From: "Steve Nosko" Subject: Re: NC-300 accessory question Date: Thu, 12 Jan 2006 17:12:14 -0600 Message-ID: References: <9d137$43c3ff9a$48317871$26832@FUSE.NET> I have a 300. Try contacting the Millen page: http://www.isquare.com/millen/millen-page.htm I don't see that number there, but it may be one of the parts. 73, Steve, K,9.D;C'I "Cincinnati" wrote in message news:9d137$43c3ff9a$48317871$26832@FUSE.NET... > I just received a NC-300 with small chassis in the accessory plug I can not > figure out. > > It has a stamp on it of "74400 Millen". > > It has four tubes looks like the VHF converters except: (1) The tube lineup > is 3 inline and one double. (2)The are no external IF plugs. > > Also, in testing, I am receiving good audio but no stations. All tubes > light. > > Any help appreciated. > > USE EMAIL BELOW IF REPLYING DIRECT > > hamguy (at) fuse.net > > Thanks > > -- > > > ---------------------- > Ron Schuster N9RC > Cincinnati, OH > ---------------------- > > Article: 101368 of rec.radio.amateur.boatanchors From: Ka Nai`a Subject: Hallicrafters S-38A Problems - Need Help Message-ID: Date: Fri, 13 Jan 2006 02:30:35 GMT I recently got a Hallicrafters S-38A off of eBay. I know there are some reccomended steps to do before powering it up but I couldn't resist. I warmed it up and fiddled with it for a bit and got quite a few stations including WWV. Today I was looking in the back and noticed a lot of dead bugs and dust and stuff so I vacuumed them out with the brush attachment. I plugged it back in and turned it on and as soon as it warms up now there is an electrical hum that is very loud. I tried tuning the stations to see if they came in and they still do but the hum is overpowering the stations and its like they are modulating the sounds together to make it sound like a robot type voice. I am not sure what I did and I am afraid to do anything at this point since I don't know what is going on. Does anyone know what happened to this radio and how to fix it? Thank you, Ka Nai`a