[Boatanchors] Boatanchors Digest, Vol 107, Issue 50
Bill Johnson
w3fi at zoominternet.net
Mon Dec 31 15:56:59 EST 2012
On 12/31/2012 11:52 AM, boatanchors-request at mailman.qth.net wrote:
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> Today's Topics:
>
> 1. Re: compairson of 5R4 tubes (Richard Knoppow)
> 2. 5R4 comparison (John King)
> 3. Re: compairson of 5R4 tubes (Jim)
> 4. Re: compairson of 5R4 tubes (mac)
> 5. Updated After Christmas Sale and new stuff (Scott Millick)
> 6. Looking for AR-88 Antenna Coils (Richard Knoppow)
> 7. Re: Looking for AR-88 Antenna Coils (mac)
> 8. Need a Modulation Transformer for an Apache... (Jon Schmidt)
> 9. Re: Need Heathkit HD-1250 Dip Meter Coil (Jim Hill)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Sun, 30 Dec 2012 10:33:27 -0800
> From: "Richard Knoppow" <1oldlens1 at ix.netcom.com>
> To: "John King" <k5pgw at yahoo.com>, <boatanchors at mailman.qth.net>
> Subject: Re: [Boatanchors] compairson of 5R4 tubes
> Message-ID: <152FBF63B83146CEA6058693A22C5352 at VALUED20606295>
> Content-Type: text/plain; format=flowed; charset="iso-8859-1";
> reply-type=original
>
>
> ----- Original Message -----
> From: "John King" <k5pgw at yahoo.com>
> To: <boatanchors at mailman.qth.net>
> Sent: Sunday, December 30, 2012 6:36 AM
> Subject: [Boatanchors] compairson of 5R4 tubes
>
>
> I note that there are various 5R4 tubes with different
> letters after the 5R4, which I suspect refers to the bulb
> shape, height or other style designations. I am going to
> order a number of 5R4 tubes for older transmitters such as
> DX 100s and early Viking transmitters. Is there any
> difference other than style between the various 5R4 tube
> versions? Some versions are significantly cheaper than other
> versions. What are your thoughts regarding the best bang for
> the buck for these old boatanchor transmitters? Thanks and
> 73, John, K5PGW
>
> I can't find complete data on the type in my tube
> handbooks but there were at least three variations: 5R4GY,
> 5R4GYA, 5R4GYB, and the familiar 5R4WGB. The first three are
> in semi-pear-shaped envelopes with low-loss mica-filled
> bases, the WGB is in a special high-altitude envelope with a
> large gray base and heavy tubular envelope. These were
> designed to work up to 100,000 feet. The W in any receiver
> tube type number indicates it was supplied to a government
> contractor, there is no consistent meaning other than that.
> My experience is that the WGB is the most common and
> cheapest, the original brown-base GY the hardest to find.
> Any will work in the same socket.
> My experience is also that I've had more trouble with
> the WGY than with the others.
>
>
> --
> Richard Knoppow
> Los Angeles
> WB6KBL
> dickburk at ix.netcom.com
>
>
>
>
>
> ------------------------------
>
> Message: 2
> Date: Sun, 30 Dec 2012 10:44:06 -0800 (PST)
> From: John King <k5pgw at yahoo.com>
> To: "boatanchors at mailman.qth.net" <boatanchors at mailman.qth.net>
> Subject: [Boatanchors] 5R4 comparison
> Message-ID:
> <1356893046.76886.YahooMailNeo at web121301.mail.ne1.yahoo.com>
> Content-Type: text/plain; charset=us-ascii
>
> Thanks to all for the very helpful input on the various model 5R4 tubes.73, John, K5PGW
>
>
> ------------------------------
>
> Message: 3
> Date: Sun, 30 Dec 2012 13:48:26 -0500
> From: "Jim" <jbrannig at verizon.net>
> To: <wrcromwell at gmail.com>, "John King" <k5pgw at yahoo.com>
> Cc: boatanchors at mailman.qth.net
> Subject: Re: [Boatanchors] compairson of 5R4 tubes
> Message-ID: <60A1014D1E8148468195C3029E1EDD2C at DJCK4V71>
> Content-Type: text/plain; format=flowed; charset=iso-8859-1;
> reply-type=original
>
> Well said.......
>
> Jim
>>
>> Hi John,
>>
>> I have been getting the best bang for the buck with solid state
>> rectifiers, even with any "modifications" that might (or might not) be
>> required. Modifications could include dropping resistors or all kinds of
>> other things I've heard about to reduce the higher B+ back to what it
>> was in the old days. I have just been running my gear with the higher
>> voltage. I have recapped mine as well and I make sure those filter caps
>> can take the heat in the kitchen. I have looked to see that other parts
>> are not subjected to overvoltage. I haven't found any by examining specs
>> and none by smoke, either. Your precious power supply iron and the
>> entire radio will run cooler. If you are not going to display them as
>> "original, rare, cherry, mint, immaculate, collector, museum pieces" you
>> should consider doing that, too. I have my radios to use. YMMV.
>>
>> 73,
>>
>> Bill KU8H
>>
>
>
> ------------------------------
>
> Message: 4
> Date: Sun, 30 Dec 2012 11:06:00 -0800
> From: mac <w7qho at aol.com>
> To: Richard Knoppow <1oldlens1 at ix.netcom.com>
> Cc: boatanchors at mailman.qth.net
> Subject: Re: [Boatanchors] compairson of 5R4 tubes
> Message-ID: <75B08879-5175-4FDB-9901-2DFAEE03BC12 at aol.com>
> Content-Type: text/plain; charset=US-ASCII; format=flowed; delsp=yes
>
> Used them all interchangeably and can't say I've had trouble with any
> of the tribe.
>
> Dennis D. W7QHO
> Glendale, CA
>
> ****************
> On Dec 30, 2012, at 10:33 AM, Richard Knoppow wrote:
>
>> ----- Original Message ----- From: "John King" <k5pgw at yahoo.com>
>> To: <boatanchors at mailman.qth.net>
>> Sent: Sunday, December 30, 2012 6:36 AM
>> Subject: [Boatanchors] compairson of 5R4 tubes
>>
>>
>> I note that there are various 5R4 tubes with different letters after
>> the 5R4, which I suspect refers to the bulb shape, height or other
>> style designations. I am going to order a number of 5R4 tubes for
>> older transmitters such as DX 100s and early Viking transmitters. Is
>> there any difference other than style between the various 5R4 tube
>> versions? Some versions are significantly cheaper than other
>> versions. What are your thoughts regarding the best bang for the
>> buck for these old boatanchor transmitters? Thanks and 73, John, K5PGW
>>
>> I can't find complete data on the type in my tube handbooks but
>> there were at least three variations: 5R4GY, 5R4GYA, 5R4GYB, and
>> the familiar 5R4WGB. The first three are in semi-pear-shaped
>> envelopes with low-loss mica-filled bases, the WGB is in a special
>> high-altitude envelope with a large gray base and heavy tubular
>> envelope. These were designed to work up to 100,000 feet. The W in
>> any receiver tube type number indicates it was supplied to a
>> government contractor, there is no consistent meaning other than that.
>> My experience is that the WGB is the most common and cheapest,
>> the original brown-base GY the hardest to find. Any will work in the
>> same socket.
>> My experience is also that I've had more trouble with the WGY
>> than with the others.
>>
>>
>> --
>> Richard Knoppow
>> Los Angeles
>> WB6KBL
>> dickburk at ix.netcom.com
>>
>>
>> ______________________________________________________________
>> Boatanchors mailing list
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>> Help: http://mailman.qth.net/mmfaq.htm
>> Post: mailto:Boatanchors at mailman.qth.net
>>
>> List Administrator: Duane Fischer, W8DBF
>> ** For Assistance: dfischer at usol.com **
>>
>>
>> This list hosted by: http://www.qsl.net
>> Please help support this email list: http://www.qsl.net/donate.html
>
>
> ------------------------------
>
> Message: 5
> Date: Sun, 30 Dec 2012 14:42:23 -0600
> From: Scott Millick <smillick at wamusa.com>
> To: forsale-swap at mailman.qth.net,boatanchors at mailman.qth.net,
> national at mailman.qth.net,ham4sale at yahoogroups.com,
> hallicrafters at mailman.qth.net,johnson at mailman.qth.net
> Subject: [Boatanchors] Updated After Christmas Sale and new stuff
> Message-ID: <7.0.1.0.2.20121230143136.08730008 at wamusa.com>
> Content-Type: text/plain; charset="us-ascii"; format=flowed
>
> Need to move these pieces Priced to sell Unless local pickup all
> items add shipping
>
> High Sierra screwdriver mobile HS1500 MKII antenna $125
>
> Bearcat BCD396T trunking handheld scanner used very little $225
>
> 2 - Hallicrafters R46B speakers $40 ea
>
> Hallicrafters S94 low band receiver $30
>
> Johnson 300 watt Matchbox $100
>
> Johnson Viking whiteface CB radio $25
>
> Several Radio Shack Pro 2053 scanners $50 ea
>
> ICOM T81A Multiband walkie talkie $100
>
> ICOM ICR3 Communications receiver $100
>
> Yaesu FT60 Walkie Talkie $100
>
> Yaeru FC 30 Antenna Tuner with cable for FT857 $150
>
> Ameritron RCS 8V Remote coax switch $100
>
> Bearcat 560XLT Scanner $25
>
> Bearcat 210XL $25
>
> Astatic D104 wuth stand $70
>
> Gonset 4 2 meter $50
>
>
>
>
>
> Located in central Illinois 50 miles NE of St. Louis, MO
>
> 217 324-2412
>
>
>
> Scotty K9SM
>
>
>
> ------------------------------
>
> Message: 6
> Date: Sun, 30 Dec 2012 14:18:45 -0800
> From: "Richard Knoppow" <1oldlens1 at ix.netcom.com>
> To: <boatanchors at mailman.qth.net>
> Subject: [Boatanchors] Looking for AR-88 Antenna Coils
> Message-ID: <5BD89551A31043B3AF5441A35D3B1D4A at VALUED20606295>
> Content-Type: text/plain; format=flowed; charset="iso-8859-1";
> reply-type=original
>
> I discovered I have two bad antenna input coils L-8 and
> L-12. The slugs have pulled off the threaded screws. I may
> be able to repair them but would like to find some
> replacements. L-12 is slightly distorted at the end, looks
> like heat so someone may have fired a transmitter up into
> it.
>
>
> --
> Richard Knoppow
> Los Angeles
> WB6KBL
> dickburk at ix.netcom.com
>
>
>
> ------------------------------
>
> Message: 7
> Date: Sun, 30 Dec 2012 14:43:29 -0800
> From: mac <w7qho at aol.com>
> To: Richard Knoppow <1oldlens1 at ix.netcom.com>
> Cc: boatanchors at mailman.qth.net
> Subject: Re: [Boatanchors] Looking for AR-88 Antenna Coils
> Message-ID: <E98356F0-12FC-47D8-A736-F9BC59B4C262 at aol.com>
> Content-Type: text/plain; charset=US-ASCII; format=flowed; delsp=yes
>
> The slugs in the R-392 do this. I've had good luck gluing then back
> on the screws...
>
> Dennis D. W7QHO
> Glendale, CA
>
> ****************
> On Dec 30, 2012, at 2:18 PM, Richard Knoppow wrote:
>
>> I discovered I have two bad antenna input coils L-8 and
>> L-12. The slugs have pulled off the threaded screws.
>
>
> ------------------------------
>
> Message: 8
> Date: Mon, 31 Dec 2012 04:58:05 +0000
> From: "Jon Schmidt" <schmidt at cox.net>
> To: Boatanchors at mailman.qth.net
> Subject: [Boatanchors] Need a Modulation Transformer for an Apache...
> Message-ID: <em27964030-044f-4742-96e6-bdc267993a2c at jonsasuslaptop>
> Content-Type: text/plain; format=flowed; charset=utf-8
>
> Hi Gang,
>
> I am in need of a working modulation transformer for my Heathkit Apache
> TX-1. If anyone has one to sell, please let me know.
>
> Thanks very much and 73,
>
> Jon W8SA
> 949-275-4218
> San Juan Capistrano, CA
>
> ------------------------------
>
> Message: 9
> Date: Mon, 31 Dec 2012 08:52:42 -0800
> From: Jim Hill <hro5-2 at cox.net>
> To: Boatanchors at mailman.qth.net
> Subject: Re: [Boatanchors] Need Heathkit HD-1250 Dip Meter Coil
> Message-ID:
> <20121231165230.PNVC30259.fed1rmfepo103.cox.net at fed1rmimpo110>
> Content-Type: text/plain; charset="us-ascii"; format=flowed
>
> Have you tried Heathkit-only reflectors?
> Both qth.net and Yahoo Groups have one.
> A third reflector can be found at https://puck.nether.net/mailman/listinfo/
> Puck.neter stepped in when the city of Tempe had budget issues and
> stopped supporting these reflectors.
> Good luck
> Jim
>
> At 08:33 AM 12/22/2012, you wrote:
>> Hello,
>>
>> I have a used Heathkit HD-1250 solid state dip meter which has a damaged
>> 3.2-6.6 MHz coil. I am inquiring to see if anyone on the list might have one
>> they would part with.
>
>
> ------------------------------
>
> ______________________________________________________________
> Boatanchors mailing list
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> Help: http://mailman.qth.net/mmfaq.htm
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>
> List Administrator: Duane Fischer, W8DBF
> ** For Assistance: dfischer at usol.com **
>
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
>
> End of Boatanchors Digest, Vol 107, Issue 50
> ********************************************
>
>
> -----
> No virus found in this message.
> Checked by AVG - www.avg.com
> Version: 2013.0.2805 / Virus Database: 2637/5999 - Release Date: 12/31/12
I have a perfect condition Heath TX1 Apache and planning to part it out.
It is too heavy for me to deal with. Will sell any transformers.
Bill
W3FI at ARRL dot NET
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