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1. [AMPS] Anyone know JAN 8971 Tube (score: 1): Author: jarodger@airmail.net (Joseph Rodgers); Date: Mon, 3 Apr 2000 05:16:45 -0000; HI, I came across an old commercial VHF/UHF power amplifier that has a dual cavity output design and uses one tube marked RCA 8971. Does anyone know any specs on this tube? I cannot find anything abo; /archives//html/Amps/2000-04/msg00007.html (6,837 bytes)
2. [AMPS] Cavity Amp designs for 432 Mhz and 1200 Mhz?? (score: 1): Author: jarodger@airmail.net (Joseph Rodgers); Date: Fri, 18 Feb 2000 06:05:45 -0000; Hi, I have been looking around for some design data on cavity amps for 432 and 1296 Mhz. I have not been able to find very much information though. There have been a couple of designs in the ARRL han; /archives//html/Amps/2000-02/msg00314.html (7,766 bytes)
3. [AMPS] Re: Tank coils (score: 1): Author: jarodger@airmail.net (Joseph Rodgers); Date: Sun, 23 Jan 2000 05:38:15 -0000; There are two types of copper tubing commonly available at the hardware store. There is a soft flexible kind often used in 1/4 and 3/8 diameters for water lines to ice makers, bar sinks, etc. Then th; /archives//html/Amps/2000-01/msg00483.html (14,973 bytes)
4. [AMPS] K2RIW 432 Mhz Stripline Amplifier (Dec 72 QST) (score: 1): Author: jarodger@airmail.net (Joseph Rodgers); Date: Mon, 1 Nov 1999 05:27:15 -0000; Does anyone on the list have some information on the K2RIW Stripline 432 Mhz KW amp? I have one that has not been used for 10 or more years and I would like to bring it back into service. I need some; /archives//html/Amps/1999-11/msg00005.html (7,786 bytes)
5. [AMPS] IC-781 Soft-Start Mod ....Where is it? (score: 1): Author: jarodger@airmail.net (Joseph Rodgers); Date: Sun, 19 Sep 1999 00:43:07 -0500; Hi all, I have an IC-781 early serial number. The radio is now about 10 years old. Until recently I have been running barefoot with this radio. I now have an SB-220 Heath amplifier I would like to us; /archives//html/Amps/1999-09/msg00165.html (7,102 bytes)

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