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Total 23 documents matching your query.

1. [TenTec] Omni VII Query (score: 1): Author: Val Erwin <valerwin@att.net>; Date: Wed, 9 Dec 2009 21:53:16 -0800 (PST); Omni VII-ites' I have an Omni VII that is appx. 2 years old. Over time, I have noticed a gradual decrease in RF output power. With 13.8 VDC measured at the radio power connector, the Omni VII dig; /archives//html/TenTec/2009-12/msg00075.html (7,016 bytes)
2. Re: [TenTec] Omni VII Query (score: 1): Author: Richards <jruing@ameritech.net>; Date: Thu, 10 Dec 2009 02:48:57 -0500; With my learner's permit in hand, I wonder how you tested output - CW... SSB ... or some more exotic measure? Also what is the error tolerance (+/-) of the meter, I have read some have as much as 10%; /archives//html/TenTec/2009-12/msg00076.html (8,358 bytes)
3. Re: [TenTec] Omni VII Query (score: 1): Author: "geraldj" <geraldj@storm.weather.net>; Date: Thu, 10 Dec 2009 02:49:20 -0600; In a radio communications circuit with a logarithmic signal strength display, 10% is less than 1/2 dB and the meter increments are typically 1 S unit of 6 dB, that 1/2 dB error is not detectable. And; /archives//html/TenTec/2009-12/msg00077.html (10,052 bytes)
4. [TenTec] Omni VII Query (score: 1): Author: Dennis OConnor <ad4hk2004@yahoo.com>; Date: Thu, 10 Dec 2009 04:58:47 -0800 (PST); Val, this is pretty typical... My Omni 6+ does most bands in the high 80 watt range... The Orion II is also around 90 watts... The MK-V makes 158 watts on high power, not the supposed 200.. Variatio; /archives//html/TenTec/2009-12/msg00078.html (6,839 bytes)
5. Re: [TenTec] Omni VII Query (score: 1): Author: Val Erwin <valerwin@att.net>; Date: Thu, 10 Dec 2009 06:24:08 -0800 (PST); Good Morning "Richards": With my learner's permit in hand, I wonder how you tested output - CW... SSB ... or some more exotic measure? I am way past a "learner's permit"........BSEE with extensiv; /archives//html/TenTec/2009-12/msg00079.html (10,993 bytes)
6. Re: [TenTec] Omni VII Query (score: 1): Author: Val Erwin <valerwin@att.net>; Date: Thu, 10 Dec 2009 06:31:49 -0800 (PST); Mornin' Denny...... Understand.........it is just the Engineer in me...........I am a BSEE with extensive RF experience. When electronics do not meet spec, it bugs me!.........When I originally pur; /archives//html/TenTec/2009-12/msg00080.html (8,289 bytes)
7. Re: [TenTec] Omni VII Query (score: 1): Author: Glenn AE0Q <gm5bkc@gmail.com>; Date: Thu, 10 Dec 2009 07:38:57 -0700; Hello Val, You might want to look at the power supply connector(s) on the radio and P/S cable. It is possible that the pin connections have aged and loosened and are now getting warm or hot, and drop; /archives//html/TenTec/2009-12/msg00081.html (8,725 bytes)
8. Re: [TenTec] Omni VII Query (score: 1): Author: Mike Bryce <prosolar@sssnet.com>; Date: Thu, 10 Dec 2009 10:14:11 -0500; val... brand new out of the box, my omni VII NEVER did 100 W into a calibrated load/wattmeter about 85ish is all she'll do that's been two years and RF power output is still 85 watts give or take a f; /archives//html/TenTec/2009-12/msg00082.html (8,545 bytes)
9. Re: [TenTec] Omni VII Query (score: 1): Author: Richards <jruing@ameritech.net>; Date: Thu, 10 Dec 2009 17:41:14 -0500; Thank you for the courtesy of the added gloss, Val. Each little bit accumulates, and eventually I get the big picture ! == == Richards == I tested it in both CW and SSB modes using ... == ___________; /archives//html/TenTec/2009-12/msg00084.html (7,602 bytes)
10. Re: [TenTec] Omni VII Query (score: 1): Author: Richards <jruing@ameritech.net>; Date: Thu, 10 Dec 2009 18:00:23 -0500; I am still kinda new at this ... so it could be operator error, but I get the same sort of results with the SWR on my rig - it seems to show under 3.0 and below OK, or it jumps to >9.9 - and rarely a; /archives//html/TenTec/2009-12/msg00085.html (9,398 bytes)
11. Re: [TenTec] Omni VII Query (score: 1): Author: Stuart Rohre <rohre@arlut.utexas.edu>; Date: Thu, 10 Dec 2009 17:28:28 -0600; Richards, Wiggle your coax connectors near the connector while transmitting into a dummy load and see if you have a bad coax jumper. IF that is not the cause, it could be a bad connection at the ante; /archives//html/TenTec/2009-12/msg00086.html (8,211 bytes)
12. Re: [TenTec] Omni VII Query (score: 1): Author: Richards <jruing@ameritech.net>; Date: Thu, 10 Dec 2009 19:40:09 -0500; Hi Stuart -- I will check that out for sure. Probably a good idea to test all cables like that periodically. Many times, I have heard guys solve different problems just by making sure all coax connec; /archives//html/TenTec/2009-12/msg00087.html (8,728 bytes)
13. Re: [TenTec] Omni VII Query (score: 1): Author: "Dr. Gerald N. Johnson" <geraldj@weather.net>; Date: Thu, 10 Dec 2009 18:38:57 -0600; The mismatch range a tuner will handle is very frequency sensitive. Its most restricted at the lowest band from the maximum available capacitance and inductance and often restricted at the highest ba; /archives//html/TenTec/2009-12/msg00088.html (11,232 bytes)
14. Re: [TenTec] Omni VII Query (score: 1): Author: Val Erwin <valerwin@att.net>; Date: Fri, 11 Dec 2009 08:16:40 -0800 (PST); Mornin' Richards........ "I get the same sort of results with the SWR on my rig - it seems to show under 3.0 and below OK,or it jumps to >9.9 " I decided to try a little experiment to see if my SWR; /archives//html/TenTec/2009-12/msg00089.html (10,900 bytes)
15. Re: [TenTec] Omni VII Query (score: 1): Author: "Ron Zond" <k3miy@csonline.net>; Date: Fri, 11 Dec 2009 16:05:00 -0500; Val Did you try different lengths of coax on the rig. Sometimes that will help by moving the 50 point to the rig output circuit. (The rig actually "sees" 50 ohms. Ron K3MIY Mornin' Richards........; /archives//html/TenTec/2009-12/msg00090.html (11,701 bytes)
16. Re: [TenTec] Omni VII Query (score: 1): Author: Val Erwin <valerwin@att.net>; Date: Fri, 11 Dec 2009 14:36:23 -0800 (PST); Ron: Not to worry...........the rig was seeing 50 ohms but only when I had the external tuner tuned to indicated so. I had my sensor mounted directly at the output of the Omni VII. The sensor is a; /archives//html/TenTec/2009-12/msg00091.html (12,922 bytes)
17. Re: [TenTec] Omni VII Query (score: 1): Author: Richards <jruing@ameritech.net>; Date: Fri, 11 Dec 2009 18:19:37 -0500; Thanks for the follow-up with your results, VE. Not sure what we should make of it. Maybe more testing and review is in order. Happy trails. == Richards -K8JHR == ____________________________________; /archives//html/TenTec/2009-12/msg00092.html (8,218 bytes)
18. Re: [TenTec] Omni VII Query (score: 1): Author: "Dr. Gerald N. Johnson" <geraldj@weather.net>; Date: Fri, 11 Dec 2009 19:51:48 -0600; That's not really true. But what it does is change the phase angle of the load to sometimes make it easier to match or to feed. The right length can always make a reactive load purely resistive, but; /archives//html/TenTec/2009-12/msg00093.html (9,428 bytes)
19. Re: [TenTec] Omni VII Query (score: 1): Author: Stuart Rohre <rohre@arlut.utexas.edu>; Date: Fri, 11 Dec 2009 20:54:40 -0600; Yeah Richards, if I had a dime for every time I had a bad jumper coax, or loose connector, I might have something of value. It is the lowest cost remedy you can try. Good Luck! Stuart K5KVH _________; /archives//html/TenTec/2009-12/msg00094.html (8,911 bytes)
20. Re: [TenTec] Omni VII Query (score: 1): Author: "Ron Zond" <k3miy@csonline.net>; Date: Sat, 12 Dec 2009 11:01:06 -0500; Jerry Thanks for the additional info. I know it's not perfect, My understanding is taht at 1\4 wave intervals, the "appearance" changes from series to parallel, and back to series. The impedance at a; /archives//html/TenTec/2009-12/msg00097.html (10,076 bytes)

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