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101. Re: [Amps] AM Downward Modulation (score: 1)
Author: Bill Turner <dezrat@copper.net>
Date: Fri, 14 Apr 2006 07:02:52 -0700
ORIGINAL MESSAGE: ** REPLY SEPARATOR ** Joe's suggestion is correct. The Kenwood operator's manuals have the wrong instructions for AM. I've owned several Kenwood models and they are all wrong. 73, B
/archives//html/Amps/2006-04/msg00245.html (7,778 bytes)

102. Re: [Amps] Sources of CPVC for GS35b Chimney (score: 1)
Author: Bill Turner <dezrat@copper.net>
Date: Fri, 14 Apr 2006 07:15:27 -0700
ORIGINAL MESSAGE: ** REPLY SEPARATOR ** You might want to check out the glass chimney replacements sold for Coleman lanterns. They could not be more perfect for a GS-35b if they were designed for it.
/archives//html/Amps/2006-04/msg00246.html (8,385 bytes)

103. Re: [Amps] Kitchen Aid Silicone for Chimneys (score: 1)
Author: Bill Turner <dezrat@copper.net>
Date: Sat, 15 Apr 2006 10:58:46 -0700
ORIGINAL MESSAGE: ** REPLY SEPARATOR ** For a GS-35b, it's pretty hard to beat a glass Coleman lantern replacement chimney. Couldn't be a better fit if it were designed for it. 73, Bill W6WRT _______
/archives//html/Amps/2006-04/msg00274.html (7,321 bytes)

104. Re: [Amps] Strange Power Supply (score: 1)
Author: Bill Turner <dezrat@copper.net>
Date: Fri, 21 Apr 2006 09:15:45 -0700
ORIGINAL MESSAGE: ** REPLY SEPARATOR ** If I'm doing the math right, that's equivalent to 1000 GHz. Is that what you meant? I find it hard to believe frequencies that high would propagate down AC mai
/archives//html/Amps/2006-04/msg00326.html (8,163 bytes)

105. Re: [Amps] Cal Lab (score: 1)
Author: Bill Turner <dezrat@copper.net>
Date: Sun, 23 Apr 2006 18:10:31 -0700
ORIGINAL MESSAGE: ** REPLY SEPARATOR ** I am really getting tired of this administrator's censorship. OF COURSE calibration standards belong here, as do test equipment and hand tools! How can you bui
/archives//html/Amps/2006-04/msg00340.html (8,907 bytes)

106. Re: [Amps] Cal Lab (score: 1)
Author: Bill Turner <dezrat@copper.net>
Date: Mon, 24 Apr 2006 09:29:09 -0700
ORIGINAL MESSAGE: Is there another amplifier discussion group like this one that does not have a censor? ** REPLY SEPARATOR ** Here's a partial quote from the intro to the rfamplifiers group on Yahoo
/archives//html/Amps/2006-04/msg00365.html (9,520 bytes)

107. Re: [Amps] New Elecraft Amps (score: 1)
Author: Bill Turner <dezrat@copper.net>
Date: Thu, 27 Apr 2006 08:30:39 -0700
ORIGINAL MESSAGE: ** REPLY SEPARATOR ** There would still be the requirement for harmonic suppression, which is pretty strict as I recall, especially in the VHF region. Bill, W6WRT __________________
/archives//html/Amps/2006-04/msg00404.html (9,121 bytes)

108. [Amps] VHF Parasitics re-revisited (score: 1)
Author: Bill Turner <dezrat@copper.net>
Date: Wed, 03 May 2006 20:05:44 -0700
For years VHF parasitic suppression has been done in the anode circuit of an amplifier. While it does work, I wonder if it might be better to apply suppression measures in the grid circuit, especiall
/archives//html/Amps/2006-05/msg00014.html (9,015 bytes)

109. Re: [Amps] VHF Parasitics re-revisited (score: 1)
Author: Bill Turner <dezrat@copper.net>
Date: Thu, 04 May 2006 08:17:37 -0700
ORIGINAL MESSAGE: ** REPLY SEPARATOR ** Well, that's an interesting observation. Is it possible to have a triode g-g oscillate without at least a rudimentary resonant circuit in both the anode and gr
/archives//html/Amps/2006-05/msg00017.html (7,744 bytes)

110. Re: [Amps] tank coil heating (score: 1)
Author: Bill Turner <dezrat@copper.net>
Date: Thu, 11 May 2006 06:42:21 -0700
ORIGINAL MESSAGE: ** REPLY SEPARATOR ** Voltage rating has nothing to do with current carrying capacity, as you have learned. Get a capacitor rated for the expected current, or better yet, an air or
/archives//html/Amps/2006-05/msg00075.html (7,501 bytes)

111. Re: [Amps] FW: Re: tank coil heating (score: 1)
Author: Bill Turner <dezrat@copper.net>
Date: Tue, 16 May 2006 07:16:38 -0700
ORIGINAL MESSAGE: ** REPLY SEPARATOR ** I second Peter's comments, with an additional observation. I have a Command HF-2500 legal limit amp which uses a toroid in the 40/80/160 meter portion of the t
/archives//html/Amps/2006-05/msg00111.html (7,988 bytes)

112. Re: [Amps] Henry 8K (score: 1)
Author: Bill Turner <dezrat@copper.net>
Date: Wed, 17 May 2006 06:59:47 -0700
ORIGINAL MESSAGE: ** REPLY SEPARATOR ** 100 W + 20 dB = 10 kW When calculating which is "easier", should one include possible fines and jail time? :-) Bill, W6WRT ____________________________________
/archives//html/Amps/2006-05/msg00182.html (8,662 bytes)

113. Re: [Amps] Henry 8K (score: 1)
Author: Bill Turner <dezrat@copper.net>
Date: Wed, 17 May 2006 07:51:35 -0700
ORIGINAL MESSAGE: <snip> ** REPLY SEPARATOR ** Nobody cares what tubes you run. My comment was about exceeding the legal power limit. Human nature being what it is, I'm sure lots of folks "brag" abou
/archives//html/Amps/2006-05/msg00186.html (9,291 bytes)

114. Re: [Amps] Alpha 91b fan/blower motor (score: 1)
Author: Bill Turner <dezrat@copper.net>
Date: Wed, 24 May 2006 09:27:27 -0700
ORIGINAL MESSAGE: ** REPLY SEPARATOR ** RPMs are only part of the issue. The geometry of the fan is also important, especially the angle of the blades as they cut through the air. Low RPMs should hav
/archives//html/Amps/2006-05/msg00330.html (9,695 bytes)

115. Re: [Amps] Challenger III Amp (score: 1)
Author: Bill Turner <dezrat@copper.net>
Date: Wed, 24 May 2006 09:59:05 -0700
ORIGINAL MESSAGE: ** REPLY SEPARATOR ** Only rated for 1000 watts RTTY. The limiting factor appears to be the 2.2 kVA power transformer. Wonder why they didn't go for the max? Sigh. Bill, W6WRT _____
/archives//html/Amps/2006-05/msg00332.html (8,074 bytes)

116. Re: [Amps] Challenger III Amp (score: 1)
Author: Bill Turner <dezrat@copper.net>
Date: Wed, 24 May 2006 15:25:12 -0700
ORIGINAL MESSAGE: ** REPLY SEPARATOR ** That doesn't make sense since the amp is obviously designed to be used outside the UK. Bill, W6WRT _______________________________________________ Amps mailing
/archives//html/Amps/2006-05/msg00346.html (7,705 bytes)

117. Re: [Amps] multi-tube amplifiers (score: 1)
Author: Bill Turner <dezrat@copper.net>
Date: Fri, 26 May 2006 07:12:35 -0700
ORIGINAL MESSAGE: ** REPLY SEPARATOR ** This used to be pretty common, but isn't really good design because the metal shell of a 6L6 is not thermally connected to the anode except by radiation. If yo
/archives//html/Amps/2006-05/msg00376.html (7,586 bytes)

118. Re: [Amps] Quad Tube 4cx800 hf amp (score: 1)
Author: Bill Turner <dezrat@copper.net>
Date: Fri, 26 May 2006 07:23:50 -0700
ORIGINAL MESSAGE: ** REPLY SEPARATOR ** This technique is discussed in detail in any recent ARRL handbook and works like a charm. I used it when converting a Heath SB-1000 to six meters and it allowe
/archives//html/Amps/2006-05/msg00378.html (9,005 bytes)

119. Re: [Amps] 813's (score: 1)
Author: Bill Turner <dezrat@copper.net>
Date: Mon, 29 May 2006 14:29:21 -0700
ORIGINAL MESSAGE: ** REPLY SEPARATOR ** Does it have a sensor that shuts it down when the ship rolls? :-) Bill, W6WRT _______________________________________________ Amps mailing list Amps@contesting
/archives//html/Amps/2006-05/msg00495.html (8,278 bytes)

120. Re: [Amps] Moderation (score: 1)
Author: Bill Turner <dezrat@copper.net>
Date: Sun, 04 Jun 2006 02:21:48 -0700
And a good place to go would be the rfamplifiers group on Yahoo. Moderation there is very, well... moderate. 73, Bill W6WRT ** REPLY SEPARATOR ** ORIGINAL MESSAGE: ___________________________________
/archives//html/Amps/2006-06/msg00085.html (6,986 bytes)


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