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161. Re: [Amps] Design VS parasitic (score: 1)
Author: "Bill, W6WRT" <dezrat1242@yahoo.com>
Date: Sun, 23 Aug 2009 17:34:44 -0700
ORIGINAL MESSAGE: REPLY: Nonsense. The "stray" inductance introduced by the wire from the anode to the blocking cap, from the blocking cap to the tune cap and the internal lead length inside the tune
/archives//html/Amps/2009-08/msg00422.html (7,931 bytes)

162. Re: [Amps] parasitic oscillation techniques (score: 1)
Author: "Bill, W6WRT" <dezrat1242@yahoo.com>
Date: Sun, 23 Aug 2009 19:47:46 -0700
ORIGINAL MESSAGE: REPLY: Just what I thought. 73, Bill W6WRT _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps
/archives//html/Amps/2009-08/msg00426.html (7,780 bytes)

163. Re: [Amps] Design VS parasitic (score: 1)
Author: "Bill, W6WRT" <dezrat1242@yahoo.com>
Date: Mon, 24 Aug 2009 02:09:11 -0700
ORIGINAL MESSAGE: REPLY: Yes. 73, Bill W6WRT _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps
/archives//html/Amps/2009-08/msg00431.html (8,012 bytes)

164. Re: [Amps] parasitic oscillation techniques (score: 1)
Author: "Bill, W6WRT" <dezrat1242@yahoo.com>
Date: Mon, 24 Aug 2009 02:33:44 -0700
ORIGINAL MESSAGE: REPLY: 22 years ago was years before Rich began his crusade about nichrome parasitic suppressors. Please explain how that Eimac engineer could have blamed Rich for such wholesale de
/archives//html/Amps/2009-08/msg00432.html (8,862 bytes)

165. Re: [Amps] Design VS parasitic (score: 1)
Author: "Bill, W6WRT" <dezrat1242@yahoo.com>
Date: Mon, 24 Aug 2009 09:26:14 -0700
ORIGINAL MESSAGE: REPLY: Not wanting to state the obvious, but having to anyway...... The tube is only an amplifying device. What it amplifies, and at what frequency, are determined partly by the tub
/archives//html/Amps/2009-08/msg00442.html (8,848 bytes)

166. Re: [Amps] parasitic oscillation techniques (score: 1)
Author: "Bill, W6WRT" <dezrat1242@yahoo.com>
Date: Mon, 24 Aug 2009 09:41:03 -0700
ORIGINAL MESSAGE: REPLY: It was you who quoted the Eimac engineer about the damage Rich's mods caused to masses of 8877's. I'm still waiting for an explanation - or even a guess - as to how any of Ri
/archives//html/Amps/2009-08/msg00443.html (9,890 bytes)

167. Re: [Amps] Design VS parasitic (score: 1)
Author: "Bill, W6WRT" <dezrat1242@yahoo.com>
Date: Mon, 24 Aug 2009 10:06:27 -0700
ORIGINAL MESSAGE: REPLY: Ok, although I am not a fan of 3-500Z's and have only used one once. I converted a Heath SB-1000 to six meters, removed the parasitic suppressor and replaced the input circui
/archives//html/Amps/2009-08/msg00446.html (10,433 bytes)

168. Re: [Amps] Design VS parasitic (score: 1)
Author: "Bill, W6WRT" <dezrat1242@yahoo.com>
Date: Mon, 24 Aug 2009 10:28:39 -0700
ORIGINAL MESSAGE: REPLY: I had never heard of "the natural parasitic frequency" of a tube until you mentioned it in a previous post. I am assuming you mean the combination of anode-to-grounded-elemen
/archives//html/Amps/2009-08/msg00448.html (9,829 bytes)

169. Re: [Amps] parasitic oscillation techniques (score: 1)
Author: "Bill, W6WRT" <dezrat1242@yahoo.com>
Date: Mon, 24 Aug 2009 10:47:59 -0700
ORIGINAL MESSAGE: REPLY: Carl, let me spell it out for you real clear: You slandered Rich's reputation by quoting some un-named Eimac engineer who supposedly said "Measures was responsible for more d
/archives//html/Amps/2009-08/msg00451.html (10,519 bytes)

170. Re: [Amps] parasitic oscillation techniques (score: 1)
Author: "Bill, W6WRT" <dezrat1242@yahoo.com>
Date: Mon, 24 Aug 2009 14:22:59 -0700
ORIGINAL MESSAGE: REPLY: Tail tucked firmly between his legs, Carl ambles into the sunset. 73, Bill W6WRT _______________________________________________ Amps mailing list Amps@contesting.com http://
/archives//html/Amps/2009-08/msg00460.html (10,075 bytes)

171. Re: [Amps] Design VS parasitic (score: 1)
Author: "Bill, W6WRT" <dezrat1242@yahoo.com>
Date: Mon, 24 Aug 2009 14:26:37 -0700
ORIGINAL MESSAGE: REPLY: It does take some expertise to solder nichrome, even with the flux Rich supplies. I have done it successfully as have many others. It works. 73, Bill W6WRT __________________
/archives//html/Amps/2009-08/msg00461.html (8,986 bytes)

172. Re: [Amps] Unsubscription et all (score: 1)
Author: "Bill, W6WRT" <dezrat1242@yahoo.com>
Date: Mon, 24 Aug 2009 14:51:25 -0700
ORIGINAL MESSAGE: REPLY: Here is a perfect example of the kind of misinformation this reflector can help dispel. The parasitic suppressor DOES NOT " make a tuned circuit somewhere near 110 MHz or so"
/archives//html/Amps/2009-08/msg00464.html (8,160 bytes)

173. Re: [Amps] GU74B's (score: 1)
Author: "Bill, W6WRT" <dezrat1242@yahoo.com>
Date: Tue, 25 Aug 2009 08:30:58 -0700
ORIGINAL MESSAGE: REPLY: Yes, the tubes will be fine. Tubes can be damaged by operating them with the filament voltage on the low side, but with no filament V at all, no harm will be done. 73, Bill W
/archives//html/Amps/2009-08/msg00493.html (7,455 bytes)

174. Re: [Amps] RF parts and parasitics!! (score: 1)
Author: "Bill, W6WRT" <dezrat1242@yahoo.com>
Date: Wed, 26 Aug 2009 09:57:33 -0700
ORIGINAL MESSAGE: REPLY: While I generally agree with W8JI's conclusions, he makes a serious mistake about halfway through the article when he says " When grid current is absent, the grid-to-cathode
/archives//html/Amps/2009-08/msg00498.html (9,801 bytes)

175. Re: [Amps] RF parts and parasitics!! (score: 1)
Author: "Bill, W6WRT" <dezrat1242@yahoo.com>
Date: Wed, 26 Aug 2009 10:02:50 -0700
ORIGINAL MESSAGE: REPLY: That's an excellent question. Have you asked them? 73, Bill W6WRT _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contestin
/archives//html/Amps/2009-08/msg00499.html (7,870 bytes)

176. [Amps] 4CX1600U - too good to be true? (score: 1)
Author: "Bill, W6WRT" <dezrat1242@yahoo.com>
Date: Wed, 26 Aug 2009 10:53:57 -0700
Came across a 4CX1600U for sale on eBay, item number 260460157717 at a very low price. Is this too good to be true? This tube is similar in ratings to the no-longer-available 4CX1600B. Has anyone had
/archives//html/Amps/2009-08/msg00501.html (7,300 bytes)

177. Re: [Amps] RF parts and parasitics!! (score: 1)
Author: "Bill, W6WRT" <dezrat1242@yahoo.com>
Date: Wed, 26 Aug 2009 11:29:59 -0700
ORIGINAL MESSAGE: REPLY: I disagree. An SWR bridge will indeed show the AVERAGE impedance over the RF cycle, whether drawing grid current or not. W8JI's statement was that when grid current is NOT dr
/archives//html/Amps/2009-08/msg00503.html (8,759 bytes)

178. Re: [Amps] 4CX1600U - too good to be true? (score: 1)
Author: "Bill, W6WRT" <dezrat1242@yahoo.com>
Date: Wed, 26 Aug 2009 14:44:07 -0700
ORIGINAL MESSAGE: <snip> REPLY: That's interesting, Roman. Thanks. I think I'll get one and try it out. Should be fun. 73, Bill W6WRT _______________________________________________ Amps mailing list
/archives//html/Amps/2009-08/msg00515.html (7,851 bytes)

179. Re: [Amps] 4CX1600U - too good to be true? (score: 1)
Author: "Bill, W6WRT" <dezrat1242@yahoo.com>
Date: Wed, 26 Aug 2009 17:30:17 -0700
ORIGINAL MESSAGE: REPLY: At least one ham did homebrew a socket for this tube: http://www.nd2x.net/gs23b-socket.html It's clever how he used an SO-239 connector for the heater pin. But that looks lik
/archives//html/Amps/2009-08/msg00522.html (9,156 bytes)

180. Re: [Amps] 4CX1600U - too good to be true? (score: 1)
Author: "Bill, W6WRT" <dezrat1242@yahoo.com>
Date: Wed, 26 Aug 2009 17:33:56 -0700
ORIGINAL MESSAGE: REPLY: That's a great website. Thanks, Gerald. I noticed the gentleman once activated 35 grids as a rover during a single contest. Amazing! :-) 73, Bill W6WRT ______________________
/archives//html/Amps/2009-08/msg00523.html (8,889 bytes)

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