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41. [Amps] 5 kw amps -- why? (score: 1): Author: "Rob Atkinson, K5UJ" <k5uj@hotmail.com>; Date: Tue, 19 Oct 2004 17:12:59 +0000; After reading a review in Eham today for the Emtron DX4 (2 4cx2500s) by an American ham, I have a question: Is there any kind of operating at the 1.5 kw pep limit that would necessitate an amp with t; /archives//html/Amps/2004-10/msg00257.html (7,649 bytes)
42. [Amps] RE: 5 kw amps -- why? (score: 1): Author: "Rob Atkinson, K5UJ" <k5uj@hotmail.com>; Date: Wed, 20 Oct 2004 00:03:36 +0000; Don't get me wrong--I'm not advocating a world-wide ban on these amps--remember, I was commenting on an American ham. If I lived in a part of the world where the limit was let's say, 3 Kw, and I was; /archives//html/Amps/2004-10/msg00280.html (7,373 bytes)
43. [Amps] Re: 5 kw amps -- why? (score: 1): Author: "Rob Atkinson, K5UJ" <k5uj@hotmail.com>; Date: Wed, 20 Oct 2004 13:03:58 +0000; Interesting analogies. I am in a mildly amusing situation where I'm feeling a little like a QRP operator who has announced the FCC should change the legal limit to 5 watts. Anyway, Art, I'm the wrong; /archives//html/Amps/2004-10/msg00290.html (10,290 bytes)
44. Re: [Amps] 5 kw amps -- why? (score: 1): Author: "Rob Atkinson, K5UJ" <k5uj@hotmail.com>; Date: Wed, 20 Oct 2004 21:24:12 +0000; how abt the yaesu fields and mk v class A options? rob/k5uj In Class A, on a hot day, there would be an advantage. The problem with Class A is finding a >pristine-clean transceiver with which to driv; /archives//html/Amps/2004-10/msg00320.html (8,582 bytes)
45. [Amps] 99 v. titan 3 (score: 1): Author: "Rob Atkinson, K5UJ" <k5uj@hotmail.com>; Date: Tue, 26 Oct 2004 17:18:44 +0000; if we are limited to just these two, i'd go with the 99. I think the titan 3 is overpriced for what you get. I believe (this is a hunch so don't hold me to it) the time limits stated in the specs for; /archives//html/Amps/2004-10/msg00428.html (7,017 bytes)
46. [Amps] ebay selling (score: 1): Author: "Rob Atkinson, K5UJ" <k5uj@hotmail.com>; Date: Thu, 28 Oct 2004 14:10:36 +0000; I can top the $50 manual: here's an auction for a 100 mw part 15 AM broadcast station. bidding starts at $48,000 http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=296&item=5727438267&rd=1 rob/k5; /archives//html/Amps/2004-10/msg00483.html (7,408 bytes)
47. [Amps] RE: RangeMaster E-Bay Sale (score: 1): Author: "Rob Atkinson, K5UJ" <k5uj@hotmail.com>; Date: Sat, 30 Oct 2004 18:40:04 +0000; it turns out these people invest in apparently expensive elaborate audio gear for AM transmitters that operate in the higher portion of the bc band with 100 mw carriers fed to 108" steel whips. The w; /archives//html/Amps/2004-10/msg00522.html (8,292 bytes)
48. [Amps] Henry Radio (score: 1): Author: "Rob Atkinson, K5UJ" <k5uj@hotmail.com>; Date: Mon, 31 Jan 2005 22:26:02 +0000; The mention, a few weeks ago, of the possibility that the Chinese might quit 3-500 production and the news that Henry is getting out of tube amp production are interesting. When I heard the 3-500 new; /archives//html/Amps/2005-01/msg00657.html (7,360 bytes)
49. [Amps] Re: More on 3-500z uses (score: 1): Author: "Rob Atkinson, K5UJ" <k5uj@hotmail.com>; Date: Tue, 01 Feb 2005 23:06:52 +0000; tnx 4 information. good to know there is a market for rf tubes. rob/k5uj _________________________________________________________________ Is your PC infected? Get a FREE online computer virus scan f; /archives//html/Amps/2005-02/msg00018.html (6,583 bytes)
50. Re: [Amps] SGC Mini Lini...am i the only one (who doesn't get it?) (score: 1): Author: "Rob Atkinson, K5UJ" <k5uj@hotmail.com>; Date: Thu, 26 May 2005 23:22:05 +0000; okay, I'll weigh in on this one... The basic equipment architecture (whether it's exciters or amps) involving plug in modules, one for each band, has never been a winner as far as I know. Ten Tec int; /archives//html/Amps/2005-05/msg00304.html (8,601 bytes)
51. [Amps] Alpha 87A OMEGA (score: 1): Author: "Rob Atkinson, K5UJ" <k5uj@hotmail.com>; Date: Wed, 15 Jun 2005 23:23:16 +0000; I saw the ad for the limited edition (only 20 will be made) 87A in QST. Curious, I went to the alpha website (http://www.alpharadioproducts.com) to find out what made these 20 so special. I couldn't; /archives//html/Amps/2005-06/msg00103.html (7,331 bytes)
52. Re: [Amps] Alpha to Omega (score: 1): Author: "Rob Atkinson, K5UJ" <k5uj@hotmail.com>; Date: Thu, 16 Jun 2005 13:23:45 +0000; Hal, Gold is used because it reduces the amount of spurious pieces of green paper in ur wallet, at the higher end of the denomination range. Rob/K5UJ _________________________________________________; /archives//html/Amps/2005-06/msg00122.html (7,404 bytes)
53. [Amps] Shipping (was Alpha service redux) (score: 1): Author: "Rob Atkinson, K5UJ" <k5uj@hotmail.com>; Date: Mon, 20 Jun 2005 15:55:19 +0000; This is why in the case of amps, if it can't be fixed by me, I drive it to someone who can. I realize this solution isn't available to eveyone. I'm fortunate to be only a few hours drive from AES, QR; /archives//html/Amps/2005-06/msg00162.html (7,397 bytes)
54. Re: [Amps] 3-500z (score: 1): Author: "Rob Atkinson, K5UJ" <k5uj@hotmail.com>; Date: Tue, 27 Sep 2005 18:48:05 +0000; Try rf parts. they have amperex 3-500z. don't know if the anode on that is the design you are looking for or not but i'm thinking it isn't graphite since it's a z. you will have to call them and ask.; /archives//html/Amps/2005-09/msg00336.html (6,826 bytes)
55. Re: [Amps] furnace (score: 1): Author: "Rob Atkinson, K5UJ" <k5uj@hotmail.com>; Date: Mon, 02 Jan 2006 00:34:00 +0000; Bill, I monitored a great deal of the Katrina disaster commo on the low bands. the net controls were the hams on the scenes of disaster running exciters barefoot from batteries and generators if they; /archives//html/Amps/2006-01/msg00032.html (8,180 bytes)
56. [Amps] re Henry 8K (score: 1): Author: "Rob Atkinson, K5UJ" <k5uj@hotmail.com>; Date: Mon, 22 May 2006 03:10:48 +0000; I got in on this late so I apologize if this has already been mentioned: judging by the early posts, there seems to be a notion that the "8K" refers to the amp's peak power limit. I'm not sure what t; /archives//html/Amps/2006-05/msg00273.html (6,784 bytes)
57. [Amps] Henry 8K who needs it? (score: 1): Author: "Rob Atkinson, K5UJ" <k5uj@hotmail.com>; Date: Wed, 24 May 2006 13:58:55 +0000; I know of two cases where hams have run power way in excess of the legal limit. Both cases were idiotic. Idiotic because their antennas were so poor (verticals with little or no radials) and they ins; /archives//html/Amps/2006-05/msg00318.html (7,142 bytes)

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