- 221. Re: [TenTec] SB220-Tubes and QSK (score: 1)
- Author: Ken Brown <ken.d.brown@hawaiiantel.net>
- Date: Thu, 01 Nov 2007 08:21:44 -1000
- The logic seems sort of sound, except: If an amplifier is designed to work with 3-500Z tubes, that is it has the bias set to the proper voltage for clean linear and efficient operation with 3-500Z, a
- /archives//html/TenTec/2007-11/msg00008.html (9,206 bytes)
- 222. Re: [TenTec] SB220-Tubes and QSK (score: 1)
- Author: Ken Brown <ken.d.brown@hawaiiantel.net>
- Date: Thu, 01 Nov 2007 10:10:05 -1000
- Hi Dave Yes, that is what the Z stands for. Nevertheless most amplifiers using 3-500Z will have some kind of bias circuitry to switch between standby mode with cutoff bias and operating mode with ope
- /archives//html/TenTec/2007-11/msg00011.html (9,487 bytes)
- 223. Re: [TenTec] Omni VI and non TT Amp (score: 1)
- Author: Ken Brown <ken.d.brown@hawaiiantel.net>
- Date: Tue, 06 Nov 2007 17:39:30 -1000
- Last time I had an amplifier using anything like 811A tubes, they were actually 572B, and it took two of them to get 650 to 800 watts out. It was a Heath SB-200. Is that really an 811A? I thought th
- /archives//html/TenTec/2007-11/msg00149.html (8,597 bytes)
- 224. Re: [TenTec] e: Triton question (score: 1)
- Author: Ken Brown <ken.d.brown@hawaiiantel.net>
- Date: Fri, 09 Nov 2007 18:28:38 -1000
- Probably exactly the same number as the number of Paragon I's made. DE N6KB _______________________________________________ TenTec mailing list TenTec@contesting.com http://lists.contesting.com/mail
- /archives//html/TenTec/2007-11/msg00227.html (7,130 bytes)
- 225. Re: [TenTec] 227 Tuner Replacement (score: 1)
- Author: Ken Brown <ken.d.brown@hawaiiantel.net>
- Date: Sun, 11 Nov 2007 09:15:53 -1000
- Hi Ron, Add some more wire, even if you cannot get the additional wire stretched out straight or high off the ground, until the total wire length is closer to a full quarter wavelength long. Or you c
- /archives//html/TenTec/2007-11/msg00249.html (9,193 bytes)
- 226. Re: [TenTec] 706 mic ptt switch problems (score: 1)
- Author: Ken Brown <ken.d.brown@hawaiiantel.net>
- Date: Mon, 19 Nov 2007 07:01:09 -1000
- I have noticed inconsistent operation of my 706 PTT button too. I assumed it was due to the high humidity here in Hilo. I use the button to key the rig for checking SWR or for slow keying. The 706 ha
- /archives//html/TenTec/2007-11/msg00368.html (8,750 bytes)
- 227. [TenTec] Electrolytic Capacitors (score: 1)
- Author: Ken Brown <ken.d.brown@hawaiiantel.net>
- Date: Wed, 21 Nov 2007 07:30:45 -1000
- This post is quite off topic. It only relates to Ten-Tec radio equipment vaguely, since there are electrolytic capacitors in them. I ask the question here, because I know there are knowledgeable peop
- /archives//html/TenTec/2007-11/msg00442.html (7,294 bytes)
- 228. Re: [TenTec] balun noise? (score: 1)
- Author: Ken Brown <ken.d.brown@hawaiiantel.net>
- Date: Fri, 23 Nov 2007 09:46:03 -1000
- Usually a balun is used to connect an unbalanced feed line, such as coax, to a balanced antenna such as a dipole. The balun should improve the current distribution on the dipole and reduce the curren
- /archives//html/TenTec/2007-11/msg00480.html (10,239 bytes)
- 229. Re: [TenTec] Corsair II & Omni V Filters (score: 1)
- Author: Ken Brown <ken.d.brown@hawaiiantel.net>
- Date: Mon, 26 Nov 2007 18:51:26 -1000
- Hi Gary, The 217 and 219 are 9 MHz IF filters and the 285 and 282 are 6.3 MHz IF filters. I don't know enough about the Omni V to tell you which ones you could use in it. In the Omni VI you can use o
- /archives//html/TenTec/2007-11/msg00523.html (9,474 bytes)
- 230. Re: [TenTec] Hercules II Finals (score: 1)
- Author: Ken Brown <ken.d.brown@hawaiiantel.net>
- Date: Fri, 30 Nov 2007 14:25:17 -1000
- Hi Phil, Why 2SC2879s? Price? Availability? Performance? Some combination of those considerations or some other reason? DE N6KB _______________________________________________ TenTec mailing list Ten
- /archives//html/TenTec/2007-11/msg00627.html (9,001 bytes)
- 231. Re: [TenTec] Cyberpower 3000 rif (score: 1)
- Author: Ken Brown <ken.d.brown@hawaiiantel.net>
- Date: Wed, 05 Dec 2007 08:30:14 -1000
- Hi Denton, What do you mean by when it is active? There is more than one scheme for UPS systems. Some have a charger and an inverter running all the time, others have a very fast switching system and
- /archives//html/TenTec/2007-12/msg00108.html (11,161 bytes)
- 232. Re: [TenTec] Subject: Embassy antennas (score: 1)
- Author: Ken Brown <ken.d.brown@hawaiiantel.net>
- Date: Fri, 07 Dec 2007 11:59:19 -1000
- About time the subject line got changed..... I always thought that log periodics and discone antennas are seen on embassies and military installations not so much because they use a wide range of HF
- /archives//html/TenTec/2007-12/msg00226.html (9,422 bytes)
- 233. [TenTec] Ten-Tec amplifier vacuum relay noise (score: 1)
- Author: Ken Brown <ken.d.brown@hawaiiantel.net>
- Date: Fri, 07 Dec 2007 12:11:25 -1000
- I have a Titan 425 and a Hercules II 420 amplifier. The vacuum relays in the two amplifiers appear to be the same model. The vacuum relay in the 425 makes much more noise. I know it uses a higher vol
- /archives//html/TenTec/2007-12/msg00229.html (8,179 bytes)
- 234. Re: [TenTec] Ten-Tec amplifier vacuum relay noise (score: 1)
- Author: Ken Brown <ken.d.brown@hawaiiantel.net>
- Date: Fri, 07 Dec 2007 12:47:36 -1000
- I don't notice any buzz either while it is switching or while it is held in the energized position. I just hear the clickity clack as I send. The problem goes away when I wear full ear covering headp
- /archives//html/TenTec/2007-12/msg00235.html (8,253 bytes)
- 235. Re: [TenTec] Embassy Antennas (score: 1)
- Author: Ken Brown <ken.d.brown@hawaiiantel.net>
- Date: Fri, 07 Dec 2007 15:57:46 -1000
- I have seen log periodics on buildings in Europe. I notice those kinds of things. Most times, when I have investigated to see what is in the building on which the antenna is mounted, it has been a f
- /archives//html/TenTec/2007-12/msg00247.html (8,331 bytes)
- 236. Re: [TenTec] TT 238A transmatch mods for 6 meters (score: 1)
- Author: Ken Brown <ken.d.brown@hawaiiantel.net>
- Date: Sat, 08 Dec 2007 09:27:37 -1000
- Probably possible, but not desirable. Consider the number of unused yet inductively coupled and shorted turns on the inductor. Better to have an antenna with low SWR on the feedline. If you are usin
- /archives//html/TenTec/2007-12/msg00271.html (10,572 bytes)
- 237. Re: [TenTec] almost OT (involves Omni VI) (score: 1)
- Author: Ken Brown <ken.d.brown@hawaiiantel.net>
- Date: Fri, 14 Dec 2007 07:41:39 -1000
- Hi Art, Maybe on an older transmitter where the key contacts are directly keying a stage of the transmitter. With any commercially built transmitter, since the late 70s I would guess, there are keyin
- /archives//html/TenTec/2007-12/msg00420.html (9,427 bytes)
- 238. Re: [TenTec] Omni VI+ (score: 1)
- Author: Ken Brown <ken.d.brown@hawaiiantel.net>
- Date: Fri, 14 Dec 2007 07:44:11 -1000
- The K3 does not even have a display screen! How could you ever make a QSO with that? DE N6KB _______________________________________________ TenTec mailing list TenTec@contesting.com http://lists.co
- /archives//html/TenTec/2007-12/msg00421.html (7,616 bytes)
- 239. Re: [TenTec] Omni VI+ (score: 1)
- Author: Ken Brown <ken.d.brown@hawaiiantel.net>
- Date: Fri, 14 Dec 2007 12:26:38 -1000
- Oh yea, I remember when the license test required the applicant to demonstrate the ability to operate. Those were the days. With all the whining on this reflector about the Orion having a mere monoch
- /archives//html/TenTec/2007-12/msg00444.html (9,052 bytes)
- 240. Re: [TenTec] Omni VII first impressions....odd things (score: 1)
- Author: Ken Brown <ken.d.brown@hawaiiantel.net>
- Date: Thu, 20 Dec 2007 18:54:12 -1000
- Hi Mike, Yes, I have some thoughts, but they will not help you fix the problem. Thoughts follow: Any SWR meter that directly displays SWR, without you having to manually set the forward power to full
- /archives//html/TenTec/2007-12/msg00618.html (8,425 bytes)
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