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341. [Amps] HARRIS PP-7913/URC POWER SUPPLY (score: 1): Author: Jeff Pederson via Amps <amps@contesting.com>; Date: Tue, 3 Jan 2017 18:59:00 +0000 (UTC); I have a Harris PP-7913/URC power supply, would anyone by chance know the shell size of the connector on the back of the power supply, any help is appreciated. Jeff KD4LYH ___________________________; /archives//html/Amps/2017-01/msg00042.html (6,959 bytes)
342. [Amps] 220 MHz segment (score: 1): Author: Glen Zook via Amps <amps@contesting.com>; Date: Thu, 5 Jan 2017 16:56:25 +0000 (UTC); After getting the 220 MHz to 222 MHz segment realigned for commercial two-way radio, but using "narrow band" techniques, UPS then tried to get "normal" FM approved because of the higher price of ACSB; /archives//html/Amps/2017-01/msg00091.html (10,124 bytes)
343. [Amps] HARRIS PP-7913/URC POWER SUPPLY (score: 1): Author: Jeff Pederson via Amps <amps@contesting.com>; Date: Thu, 5 Jan 2017 17:17:43 +0000 (UTC); I noticed that this power supply uses a choke in the B negative lead. The B negative is grounded directly to the chassis. Most schematics for GG show the B negative lifted above ground a little for m; /archives//html/Amps/2017-01/msg00092.html (7,567 bytes)
344. Re: [Amps] Decline of homebrewing? (score: 1): Author: Bryan Swadener via Amps <amps@contesting.com>; Date: Thu, 5 Jan 2017 17:33:31 +0000 (UTC); After many years of stretching, I bet the resonant frequency is lower. ;-) vy 73, Bryan WA7PRC -- My 40 meter "Novice" First antenna Dipole, is still in the air. No Fancy Baluns, just RG-58 coax spli; /archives//html/Amps/2017-01/msg00093.html (8,627 bytes)
345. Re: [Amps] Decline of homebrewing? (score: 1): Author: Bryan Swadener via Amps <amps@contesting.com>; Date: Thu, 5 Jan 2017 19:50:36 +0000 (UTC); Humor apparently missed... by TWO. ;-) vy 73,Bryan WA7PRC Yup, and even if it was a direct relation, for every inch of stretch, on 40 it would only go down 5 Kc. Joe WB9SBD __________________________; /archives//html/Amps/2017-01/msg00098.html (9,499 bytes)
346. Re: [Amps] Decline of homebrewing? (score: 1): Author: Bryan Swadener via Amps <amps@contesting.com>; Date: Thu, 5 Jan 2017 20:53:15 +0000 (UTC); Now THAT's funny! Well played! ;-) vy 73, Bryan WA7PRC From: Mirko S57AD Sent: Thursday, January 5, 2017 12:17 PM Subject: Re: [Amps] Decline of homebrewing? Just leave that dipole outside stretching; /archives//html/Amps/2017-01/msg00103.html (10,018 bytes)
347. Re: [Amps] Decline of homebrewing? (score: 1): Author: Bryan Swadener via Amps <amps@contesting.com>; Date: Thu, 5 Jan 2017 21:03:04 +0000 (UTC); Whatever you say, Bill. Here's your clue that I'm kidding ==> ;-) vy 73,Bryan WA7PRC From: "Fuqua, Bill L" <wlfuqu00@uky.edu> To: Bryan WA7PRC Sent: Thursday, January 5, 2017 12:11 PM Subject: RE: [; /archives//html/Amps/2017-01/msg00104.html (10,978 bytes)
348. [Amps] HARRIS PP-7913/URC POWER SUPPLY (score: 1): Author: Jeff Pederson via Amps <amps@contesting.com>; Date: Fri, 6 Jan 2017 03:18:51 +0000 (UTC); Thanks for the help guys in regards to this power supply. I just hope I can give something back to the list as its given me over the years. Kind Regards Jeffrey KD4LYH _______________________________; /archives//html/Amps/2017-01/msg00119.html (7,842 bytes)
349. Re: [Amps] VHF all-mode and DC-to-daylight rigs (score: 1): Author: Gerald Williamson via Amps <amps@contesting.com>; Date: Fri, 6 Jan 2017 10:50:29 -0500; We already have a satellite up and working on 6m, 2m, 135cm, 70cm, 23cm, 13cm, 9cm, 6cm and 3cm with daily activity. Even higher and lower frequencies are used on occasion by some stations. The satel; /archives//html/Amps/2017-01/msg00130.html (12,485 bytes)
350. Re: [Amps] VHF all-mode and DC-to-daylight rigs (score: 1): Author: Scott via Amps <amps@contesting.com>; Date: Fri, 6 Jan 2017 11:02:24 -0500; I've really enjoyed this thread, and having 3 old Yaesu dc to daylight radios (817/897/847) have to say they are all still imminently useable subject to the strong nearby transmitter issue, which I'v; /archives//html/Amps/2017-01/msg00132.html (13,052 bytes)
351. Re: [Amps] Decline of homebrewing? (score: 1): Author: Glen Zook via Amps <amps@contesting.com>; Date: Fri, 6 Jan 2017 16:29:35 +0000 (UTC); I still home brew a portion of my equipment including the following: http://nebula.wsimg.com/a15396de4af2433027e30c7648f41cda?AccessKeyId=D1250C433DB440D6B60D&disposition=0&alloworigin=1 http://nebul; /archives//html/Amps/2017-01/msg00134.html (9,568 bytes)
352. Re: [Amps] VHF all-mode and DC-to-daylight rigs (score: 1): Author: John Watkins via Amps <amps@contesting.com>; Date: Sat, 7 Jan 2017 10:02:21 -0600; Interesting topic, maybe a bit off topic, but very informative. Guess I should see what I could kludge up in the way of a cross polarized antenna for VHF/UHF and do some listening. I would bet that G; /archives//html/Amps/2017-01/msg00147.html (19,366 bytes)
353. Re: [Amps] VHF all-mode and DC-to-daylight rigs (score: 1): Author: Scott via Amps <amps@contesting.com>; Date: Sat, 7 Jan 2017 11:28:53 -0500; Last satellite post, I promise, unless it really is about an amp, but the AMSAT status page located at http://www.amsat.org/status/ shows the most recent telemetry reports from around the world for a; /archives//html/Amps/2017-01/msg00150.html (18,890 bytes)
354. Re: [Amps] Diagnosing relay problem (score: 1): Author: gudguyham--- via Amps <amps@contesting.com>; Date: Sun, 8 Jan 2017 08:02:38 -0500; Vic, when you consider the number of cycles the life span is on any type of vacuum relay, that life span can easily be chewed up in relatively short order if used for high speed QSK during several co; /archives//html/Amps/2017-01/msg00169.html (9,100 bytes)
355. Re: [Amps] Decline of homebrewing? (score: 1): Author: gudguyham--- via Amps <amps@contesting.com>; Date: Sun, 8 Jan 2017 12:50:02 -0500; Amps like the SB220 should be brought into the 21st century. Skip the cw/ ssb voltage change and instead run all modes at full ssb voltage. Repurpose the cw/ssb switch to add additional operating bia; /archives//html/Amps/2017-01/msg00186.html (16,328 bytes)
356. Re: [Amps] Audio/RF compression (score: 1): Author: Bryan Swadener via Amps <amps@contesting.com>; Date: Thu, 12 Jan 2017 22:02:00 +0000 (UTC); I tried software but, latency was horrid. That is why I use a Symetrix 528E 'Voice Processor'. In a 1U box, you get an excellent preamp, de-esser, expander, limiter/compressor, and three band paramet; /archives//html/Amps/2017-01/msg00246.html (10,057 bytes)
357. Re: [Amps] home brew amp (score: 1): Author: Russ Williams via Amps <amps@contesting.com>; Date: Sat, 14 Jan 2017 03:36:30 +0000 (UTC); Arnie, thank you for posting this. I am glad to hear there were others whose audio came into the neighbors stereos and scrambled TV reception. I didn't have the opportunity to become a ham during; /archives//html/Amps/2017-01/msg00262.html (8,903 bytes)
358. Re: [Amps] Alpha Seventy HV Meter Readings (score: 1): Author: John Watkins via Amps <amps@contesting.com>; Date: Fri, 20 Jan 2017 08:15:47 -0600; Guess I will have to read the manual for my Fluke 77 and see if also has the 1 ma source in the low range. I do have a meter or 2 that I want to check. I have used the variable resistor method also.; /archives//html/Amps/2017-01/msg00281.html (21,017 bytes)
359. Re: [Amps] Comet vacuum variable capacitor data (score: 1): Author: Radio WC6W via Amps <amps@contesting.com>; Date: Fri, 27 Jan 2017 03:25:16 +0000 (UTC); Hi Alan, The minimum C is 12pf 30A @ 1MHz & 2000pf 70A @ 10 MHz at any C 40A @ 30 MHz at any C It is a direct pull (no screw drive) unit requiring 17KG max. pull. Incidentally, it is rated 3KV operat; /archives//html/Amps/2017-01/msg00290.html (8,154 bytes)
360. [Amps] AMPTEC LA4000 (score: 1): Author: Bob Gibson via Amps <amps@contesting.com>; Date: Tue, 31 Jan 2017 18:28:56 +0000 (UTC); Does anyone have any knowledge of the LA4000 amplifier? 73s Bob W5RG _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listi; /archives//html/Amps/2017-01/msg00304.html (6,505 bytes)

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