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References: [ +from:dickw1ksz@gmail.com: 232 ]

Total 232 documents matching your query.

201. Re: [Amps] Ham Radio Magazine article six 572Bs on 160 meters (score: 1)
Author: Richard Solomon <dickw1ksz@gmail.com>
Date: Fri, 11 Jan 2019 07:31:20 -0700
There used to be a web site that had the whole run in pdf format. I think someone bought the rights and that site went away. 73, Dick, W1KSZ _______________________________________________ Amps maili
/archives//html/Amps/2019-01/msg00053.html (9,965 bytes)

202. Re: [Amps] Trying to contact AlphaRF Systems without success (score: 1)
Author: Richard Solomon <dickw1ksz@gmail.com>
Date: Fri, 11 Jan 2019 09:29:26 -0700
They may have taken more than Xmas off ... only get an answering machine, no live people. 73, Dick, W1KSZ _______________________________________________ Amps mailing list Amps@contesting.com http://
/archives//html/Amps/2019-01/msg00054.html (8,634 bytes)

203. Re: [Amps] Trying to contact AlphaRF Systems without success (score: 1)
Author: Richard Solomon <dickw1ksz@gmail.com>
Date: Mon, 14 Jan 2019 16:41:33 -0700
I was seriously considering buying a 4510A Wattmeter. After all this, I am not even sure they still sell it or service it. Doesn't give me a warm fuzzy ... 73, Dick, W1KSZ ___________________________
/archives//html/Amps/2019-01/msg00069.html (10,328 bytes)

204. Re: [Amps] SS Amps are expensive...why? (score: 1)
Author: Richard Solomon <dickw1ksz@gmail.com>
Date: Sun, 20 Jan 2019 16:17:25 -0700
Because fancy tube amps are that much more expensive ?? Seriously though, which Amps are you comparing ?? 73, Dick, W1KSZ _______________________________________________ Amps mailing list Amps@contes
/archives//html/Amps/2019-01/msg00090.html (8,130 bytes)

205. Re: [Amps] SS Amps are expensive...why? (score: 1)
Author: Richard Solomon <dickw1ksz@gmail.com>
Date: Thu, 24 Jan 2019 14:04:02 -0700
Too bad the site doesn't list prices and how to order one. 73, Dick, W1KSZ _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/li
/archives//html/Amps/2019-01/msg00116.html (10,245 bytes)

206. Re: [Amps] SS Amps are expensive...why? (score: 1)
Author: Richard Solomon <dickw1ksz@gmail.com>
Date: Fri, 25 Jan 2019 12:24:59 -0700
It looks like you are buying a board without the LDMOS. No Control Circuitry No output filters Doesn't seem like a deal to me. I'll stick with my SPE 1.3K-FA (and the new 1.5K-FA when it arrives). 73
/archives//html/Amps/2019-01/msg00128.html (10,888 bytes)

207. Re: [Amps] SS Amps are expensive...why? (score: 1)
Author: Richard Solomon <dickw1ksz@gmail.com>
Date: Fri, 25 Jan 2019 17:05:17 -0700
Those links are interesting, but I still don't see order information, or more important, prices !!! 73, Dick, W1KSZ _______________________________________________ Amps mailing list Amps@contesting.c
/archives//html/Amps/2019-01/msg00139.html (12,838 bytes)

208. [Amps] Impedance Match Calculator (score: 1)
Author: Richard Solomon <dickw1ksz@gmail.com>
Date: Thu, 31 Jan 2019 13:57:48 -0700
I did a quick Google on this, but didn't see exactly what I needed. I want to match a load with the following characteristics: Rs=25.67 Rp=39.26 Xs=18.68 Xp=53.96 To a 50 ohm source at a fixed freque
/archives//html/Amps/2019-02/msg00001.html (6,925 bytes)

209. Re: [Amps] Impedance Match Calculator (score: 1)
Author: Richard Solomon <dickw1ksz@gmail.com>
Date: Sat, 2 Feb 2019 17:49:52 -0700
Thanks to all that replied. I believe I have the info I need. Tnx es 73, Dick, W1KSZ _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/
/archives//html/Amps/2019-02/msg00012.html (8,192 bytes)

210. Re: [Amps] SB-220 Re-Build (score: 1)
Author: Richard Solomon <dickw1ksz@gmail.com>
Date: Mon, 13 May 2019 09:01:14 -0700
Looks like you also had to rotate the Filter Cap bank 90 degrees. Was that because of the size of the toroid ? 73, Dick, W1KSZ _______________________________________________ Amps mailing list Amps@c
/archives//html/Amps/2019-05/msg00044.html (13,111 bytes)

211. Re: [Amps] RG-213 Hi pot ? (score: 1)
Author: Richard Solomon <dickw1ksz@gmail.com>
Date: Mon, 13 May 2019 17:30:50 -0700
Most specs today are written by the Legal Department, with no understanding the technology. Working voltage can vary greatly, depending on how the cable is terminated. Years ago, I used an IR Scope (
/archives//html/Amps/2019-05/msg00048.html (10,448 bytes)

212. [Amps] Commander II VHF Amp Question (score: 1)
Author: Richard Solomon <dickw1ksz@gmail.com>
Date: Sun, 29 Sep 2019 14:58:15 -0700
I picked one up yesterday at a local Flea Market. I was told it popped the Main Fuse, but the price was right. On a schematic I located, there is an item marked U1, 01750. Since I have not found the
/archives//html/Amps/2019-09/msg00083.html (6,543 bytes)

213. [Amps] Palstar Commander II VHF Amp Issue (score: 1)
Author: Richard Solomon <dickw1ksz@gmail.com>
Date: Sun, 27 Oct 2019 18:08:05 -0700
I picked up the 2 Meter Model, knowing it had an issue (Main Fuse blows). It was priced right. I had hoped it was a problem with the Filter Caps or Diodes, but it looks like the HV Secondary is arcin
/archives//html/Amps/2019-10/msg00083.html (7,648 bytes)

214. Re: [Amps] Palstar Commander II VHF Amp Issue (score: 1)
Author: Richard Solomon <dickw1ksz@gmail.com>
Date: Sun, 27 Oct 2019 19:08:19 -0700
I have verified that the XFMR is indeed arcing over. My crazy idea was in no way intended to be permanent, but just an interim fix until I can find a replacement. The Antek Toroids may work, I just n
/archives//html/Amps/2019-10/msg00085.html (9,319 bytes)

215. [Amps] SB-220 HV Transformer Wanted (score: 1)
Author: Richard Solomon <dickw1ksz@gmail.com>
Date: Tue, 29 Oct 2019 19:10:19 -0700
Anyone have a working one they can part with ? 73, Dick, W1KSZ _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps
/archives//html/Amps/2019-10/msg00094.html (6,286 bytes)

216. [Amps] COMMANDER II VHF (2 Mtrs) AMP PARTS AVAILABLE (score: 1)
Author: Richard Solomon <dickw1ksz@gmail.com>
Date: Sun, 10 Nov 2019 14:01:48 -0700
I have decided to part out the Commander II VHF Amp. I have an xls spreadsheet with parts and prices available for sale. e-Mail me direct if you want a copy. 73, Dick, W1KSZ _________________________
/archives//html/Amps/2019-11/msg00065.html (6,512 bytes)

217. Re: [Amps] K3 Drive Levels and the SPE 1.3K-FA (score: 1)
Author: Richard Solomon <dickw1ksz@gmail.com>
Date: Thu, 21 Nov 2019 09:32:41 -0700
I thought SPE did ship their Amps for use in the USA with the proper attenuator installed. At least it's the proper one to comply with FCC regulations. I drive my SPE 1.3K-FA with about 30 Watts from
/archives//html/Amps/2019-11/msg00082.html (10,441 bytes)

218. Re: [Amps] Amp causing RFI (score: 1)
Author: Richard Solomon <dickw1ksz@gmail.com>
Date: Tue, 4 Feb 2020 09:20:45 -0700
I agree with Glen. In my case a well working system all of a sudden became "wonky". RF Feedback, etc. Turned out the ground lead connection outside had loosened up. Re-tightening the lead on the grou
/archives//html/Amps/2020-02/msg00011.html (11,814 bytes)

219. Re: [Amps] Distilled water in a dummy load ? (score: 1)
Author: Richard Solomon <dickw1ksz@gmail.com>
Date: Tue, 23 Feb 2021 14:13:36 -0700
Better yet, a Bird 8890. 2,500 Watts CCS. Max SWR 1.25 to 2 GHz. Snagged one of the auction site a few years ago for short money. 73, Dick, W1KSZ _______________________________________________ Amps
/archives//html/Amps/2021-02/msg00036.html (11,976 bytes)

220. [Amps] AL-811 Tube Swap (score: 1)
Author: Richard Solomon <dickw1ksz@gmail.com>
Date: Wed, 28 Apr 2021 09:25:01 -0700
I have an old AL-811 on the Test Bench I use when I need a little more starch for test purposes. I thought about replacing the 811's with 572B's. Any pitfalls on that idea ? Tnx, Dick, W1KSZ ________
/archives//html/Amps/2021-04/msg00100.html (6,369 bytes)

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