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101. Re: [Amps] liquid cooling (score: 1)
Author: donroden@hiwaay.net
Date: Mon, 05 Apr 2010 15:51:59 -0500
SRI,QTD QRO. QRP now .... Hello ? Hello ? Don WA4NPL _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps
/archives//html/Amps/2010-04/msg00121.html (9,609 bytes)

102. Re: [Amps] liquid cooling (score: 1)
Author: donroden@hiwaay.net
Date: Mon, 05 Apr 2010 15:56:08 -0500
748 gallons of ( looks like mineral oil ) for sale..... NO RETURNS ACCEPTED !!! Don WA4NPL _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contestin
/archives//html/Amps/2010-04/msg00122.html (12,453 bytes)

103. Re: [Amps] Hmmmm...Legal limit boiled the oil in the cantena (score: 1)
Author: donroden@hiwaay.net
Date: Mon, 05 Apr 2010 22:09:02 -0500
peanut compared to some of the 11 METER MOBILE amps I have seen How bout a 4CX15,000 powered by four 200 amp alternators in a Suburban with a big block 454. I saw that one in Memphis several years ag
/archives//html/Amps/2010-04/msg00143.html (15,809 bytes)

104. Re: [Amps] Vaporized band switch contacts (score: 1)
Author: donroden@hiwaay.net
Date: Tue, 06 Apr 2010 08:46:54 -0500
"vaporized" is pretty final. Don WA4NPL _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps
/archives//html/Amps/2010-04/msg00150.html (7,597 bytes)

105. Re: [Amps] Vaporized band switch contacts (score: 1)
Author: donroden@hiwaay.net
Date: Tue, 06 Apr 2010 22:32:54 -0500
But if the contacts "vaporized", there is now a fine covering of metal on the ceramic. Don WA4NPL _______________________________________________ Amps mailing list Amps@contesting.com http://lists.c
/archives//html/Amps/2010-04/msg00173.html (8,015 bytes)

106. Re: [Amps] Hmmmm...Legal limit boiled the oil in the cantena (score: 1)
Author: donroden@hiwaay.net
Date: Tue, 06 Apr 2010 22:48:32 -0500
All I can tell ya was that I had a couple of 3 1/8 inch coax Bird In-Line sections with 50KW elements and they were asking if I had anything bigger. The area behind the second seat was all "open cons
/archives//html/Amps/2010-04/msg00174.html (14,949 bytes)

107. Re: [Amps] pi-net spreadsheet question (score: 1)
Author: donroden@hiwaay.net
Date: Wed, 07 Apr 2010 11:14:12 -0500
Half wave coaxial stub ? _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps
/archives//html/Amps/2010-04/msg00198.html (7,491 bytes)

108. [Amps] Hemi in a Mini (score: 1)
Author: donroden@hiwaay.net
Date: Wed, 07 Apr 2010 18:25:11 -0500
Now if we could only find a place to sit in it....... Zoom Zoom Don WA4NPL _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/l
/archives//html/Amps/2010-04/msg00242.html (6,992 bytes)

109. [Amps] NASA AMP (score: 1)
Author: donroden@hiwaay.net
Date: Tue, 20 Apr 2010 22:27:52 -0500
I have for sale one Motorola HF-SSB LINEAR AMPLIFIER Model # TLA6130A. It is a three tube 8874 amp for 2-18mhz pi-net with switched plate and loading caps ( each 25 combinations ) steps of 20pf for p
/archives//html/Amps/2010-04/msg00586.html (8,028 bytes)

110. Re: [Amps] Time to learn to use delete key (score: 1)
Author: donroden@hiwaay.net
Date: Sat, 22 May 2010 08:09:35 -0500
LOL !!!! Oppsssss....... [DELETE] Don WA4NPL _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps
/archives//html/Amps/2010-05/msg00291.html (9,001 bytes)

111. [Amps] Henry Amp ?? (score: 1)
Author: donroden@hiwaay.net
Date: Tue, 25 May 2010 10:26:12 -0500
Last week, I saw a Henry amp in a special enclosure on one of the lists. Was it here ? I believe it used 5CX1500 tubes. Don WA4NPL _______________________________________________ Amps mailing list Am
/archives//html/Amps/2010-05/msg00398.html (8,749 bytes)

112. Re: [Amps] At last an Antenna designed for QRO (score: 1)
Author: donroden@hiwaay.net
Date: Tue, 22 Jun 2010 18:22:45 -0500
Yeah, but this one will pre form.......... Quoting : If you are looking for an Antenna that will Preform and do it at a GREAT PRICE then this is the Antenna for you. close Quote How many antennas hav
/archives//html/Amps/2010-06/msg00202.html (8,309 bytes)

113. Re: [Amps] New High Efficiency 3-500Z plate caps (score: 1)
Author: donroden@hiwaay.net
Date: Fri, 02 Jul 2010 10:43:21 -0500
High school shop class / metal lathe / two inch aluminum bar stock / 3/4 inch deep thin cutting tip / multiple cuts spaced same as thickness as tool. You should wind up with a 2 inch diameter cap wit
/archives//html/Amps/2010-07/msg00028.html (9,321 bytes)

114. Re: [Amps] Rebuilding (score: 1)
Author: donroden@hiwaay.net
Date: Wed, 07 Jul 2010 15:29:04 -0500
I sold Harry a tube tester many years ago.... a RCA TTU-60. Don WA4NPL _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listin
/archives//html/Amps/2010-07/msg00073.html (7,223 bytes)

115. [Amps] No parasitic choke question (score: 1)
Author: donroden@hiwaay.net
Date: Wed, 28 Jul 2010 09:22:44 -0500
There seems to be three camps in this discussion.. Nychrome, no nychrome, and now neither. Eliminate the parasitic; eliminate the suppressor. \If eliminating the suppressor can : ( 1 ) produce less h
/archives//html/Amps/2010-07/msg00287.html (10,234 bytes)

116. Re: [Amps] No parasitic choke question (score: 1)
Author: donroden@hiwaay.net
Date: Wed, 28 Jul 2010 15:34:38 -0500
OK....... Designing on paper. Paralleled off the input circuit we place a 40 mhz high-pass filter into a properly terminated dummy load. Don WA4NPL _______________________________________________ Amp
/archives//html/Amps/2010-07/msg00299.html (10,387 bytes)

117. Re: [Amps] choke the question (score: 1)
Author: donroden@hiwaay.net
Date: Thu, 29 Jul 2010 23:34:57 -0500
I love this Forum !! *IF* you knew the parasitic frequency, ( 150mhz mentioned for a pair of 3-500s) Couldn't you make to make a fairly broadband neutralization circuit ? Feed 150mhz into the input (
/archives//html/Amps/2010-07/msg00341.html (10,333 bytes)

118. Re: [Amps] Can I cool too much the tubes? (score: 1)
Author: donroden@hiwaay.net
Date: Mon, 16 Aug 2010 12:38:14 -0500
Bill Orr one told me to increase the air until the tubes popped out of their sockets.... then back off just a bit. Don WA4NPL _______________________________________________ Amps mailing list Amps@co
/archives//html/Amps/2010-08/msg00255.html (8,025 bytes)

119. Re: [Amps] K8RI wins QWERTY (score: 1)
Author: donroden@hiwaay.net
Date: Wed, 18 Aug 2010 22:26:10 -0500
Shortest King I ever saw, but he was born on an unlucky day. Don WA4NPL Quoting n8de@thepoint.net: _______________________________________________ Amps mailing list Amps@contesting.com http://lists.c
/archives//html/Amps/2010-08/msg00312.html (7,856 bytes)

120. Re: [Amps] triode or tetrode (score: 1)
Author: donroden@hiwaay.net
Date: Thu, 26 Aug 2010 12:07:15 -0500
4CX5000 Don WA4NPL _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps
/archives//html/Amps/2010-08/msg00390.html (7,183 bytes)

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