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381. Re: [TenTec] Ten Tec 238A settings? (score: 1)
Author: "Dr. Gerald N. Johnson" <geraldj@storm.weather.net>
Date: Tue, 15 Apr 2008 11:53:28 -0600
Change the punctuation: "I had a 3 wire Rhombic up. It had 375 feet on a leg (or side, four sides, rhombus shape.)." 73, Jerry, K0CQ
/archives//html/TenTec/2008-04/msg00224.html (10,564 bytes)

382. Re: [TenTec] Ten-Tec Transceiver Survey (score: 1)
Author: "Dr. Gerald N. Johnson" <geraldj@storm.weather.net>
Date: Thu, 17 Apr 2008 10:56:58 -0600
Then it makes for much happier customers to take the time to be sure the code does ALL the thought out performance before the customer sees the code. Whipping out changes and shipping the same day le
/archives//html/TenTec/2008-04/msg00320.html (10,402 bytes)

383. Re: [TenTec] cheap CW rig (score: 1)
Author: "Dr. Gerald N. Johnson" <geraldj@storm.weather.net>
Date: Thu, 17 Apr 2008 12:29:38 -0600
Well, the Kenwood TS-120 and 130 have been selling in that price class for a couple years. They do need an antenna tuner (like all solid state radios) but have enough bells and whistles to be useful,
/archives//html/TenTec/2008-04/msg00326.html (10,399 bytes)

384. Re: [TenTec] cheap CW rig (score: 1)
Author: "Dr. Gerald N. Johnson" <geraldj@storm.weather.net>
Date: Thu, 17 Apr 2008 14:02:17 -0600
I've owned two TS120 and a 130. The only repair needed for any of them was to bolt down the RF board every few years. Parts are mostly discrete, no custom ICs. The SWR protection allows driving with
/archives//html/TenTec/2008-04/msg00334.html (9,882 bytes)

385. Re: [TenTec] cheap CW rig (score: 1)
Author: "Dr. Gerald N. Johnson" <geraldj@storm.weather.net>
Date: Thu, 17 Apr 2008 14:13:10 -0600
I didn't say that. I didn't say THAT. I didn't say that either. Nor that. But amateur HF modes are not yet channelized so the dial resolution doesn't limit tuning precision. True, tuning SSB is a ski
/archives//html/TenTec/2008-04/msg00335.html (13,157 bytes)

386. Re: [TenTec] Ten-Tec Transceiver Survey (score: 1)
Author: "Dr. Gerald N. Johnson" <geraldj@storm.weather.net>
Date: Thu, 17 Apr 2008 19:26:15 -0600
But it needs a state of the art receiver. A VHF receiver with a 10 dB NF was state of the art at the beginning of UHF TV, not today. 73, Jerry, K0CQ
/archives//html/TenTec/2008-04/msg00349.html (9,642 bytes)

387. Re: [TenTec] Ten Tec Transceiver Survey (score: 1)
Author: "Dr. Gerald N. Johnson" <geraldj@storm.weather.net>
Date: Fri, 18 Apr 2008 09:35:29 -0600
A chamber pot worked for gramma. it can work in the hamshack. A 5 gallon bucket is too big but handy for sitting on when needed. Big sporting goods stores carry a seat to fit the top of the 5 gallon
/archives//html/TenTec/2008-04/msg00357.html (8,659 bytes)

388. Re: [TenTec] Ten Tec Omni-D Series B SWR Problem (score: 1)
Author: "Dr. Gerald N. Johnson" <geraldj@storm.weather.net>
Date: Fri, 18 Apr 2008 10:23:02 -0600
Could be you are driving the PA a lot harder on voice than with the tune up carrier and making harmonics that are reflected by the tuner showing the voice level dependent SWR. Either that or parasiti
/archives//html/TenTec/2008-04/msg00359.html (8,283 bytes)

389. Re: [TenTec] Ten Tec Omni-D Series B SWR Problem (score: 1)
Author: "Dr. Gerald N. Johnson" <geraldj@storm.weather.net>
Date: Fri, 18 Apr 2008 11:48:30 -0600
That's why I bring in the harmonics or parasitic oscillation. The tuned antenna is frequency selective, while the dummy load is not frequency selective. So there is an additional output to the spectr
/archives//html/TenTec/2008-04/msg00363.html (8,733 bytes)

390. Re: [TenTec] Cheap cw rig (score: 1)
Author: "Dr. Gerald N. Johnson" <geraldj@storm.weather.net>
Date: Sun, 20 Apr 2008 11:46:21 -0600
Have you seen the vintage aircraft collection at the Creve Coure Airport near St. Louis? Three hangers full of flyable 30s and 40s vintage craft (all but one Russian amphibian that sank during the 19
/archives//html/TenTec/2008-04/msg00386.html (11,520 bytes)

391. Re: [TenTec] Argonaut 509 (score: 1)
Author: "Dr. Gerald N. Johnson" <geraldj@storm.weather.net>
Date: Tue, 22 Apr 2008 11:31:53 -0600
That's described in the Corsair II manual. And it does work. <SNIP> 73, Jerry, K0CQ
/archives//html/TenTec/2008-04/msg00409.html (8,390 bytes)

392. Re: [TenTec] Argonaut 509 (score: 1)
Author: "Dr. Gerald N. Johnson" <geraldj@storm.weather.net>
Date: Tue, 22 Apr 2008 16:04:09 -0600
My Corsair book says, "thread, fishing line, or dental floss..." I think the emphasis has to be that its strong enough to deflect the spring. 73, Jerry, K0CQ
/archives//html/TenTec/2008-04/msg00416.html (8,614 bytes)

393. Re: [TenTec] Need Circuit Breaker for Century 22 (score: 1)
Author: "Dr. Gerald N. Johnson" <geraldj@storm.weather.net>
Date: Mon, 28 Apr 2008 15:41:20 -0600
There are vendors selling Airpax that may help. A google search on Airpax fast breakers might turn up a surplus source. There are many packages with the same speed of operation. For my Corsair II, I'
/archives//html/TenTec/2008-04/msg00498.html (8,635 bytes)

394. Re: [TenTec] Inrad 1000 Hz filter #766 (score: 1)
Author: "Dr. Gerald N. Johnson" <geraldj@storm.weather.net>
Date: Tue, 29 Apr 2008 10:26:04 -0600
My Corsair II does that shift well and achieves a quite narrow CW bandwidth using the two (9 MHz and 6.3 MHz) SSB filters by shifting the second IF. I have added a CW filter but I ran the radio a lon
/archives//html/TenTec/2008-04/msg00511.html (9,369 bytes)

395. Re: [TenTec] balanced antenna tuner ( or how to do things on the cheap - tribute to Geoff's drive for cost effect (score: 1)
Author: "Dr. Gerald N. Johnson" <geraldj@storm.weather.net>
Date: Wed, 30 Apr 2008 10:19:46 -0600
Over the decades, I've had good performance from the SWR bridges with the coupling wire threaded under the braid of a length of coax. Costs a box and connectors, a length of coax sans jacket, a bit o
/archives//html/TenTec/2008-04/msg00539.html (10,525 bytes)

396. Re: [TenTec] TenTec Digest, Vol 64, Issue 41 (score: 1)
Author: "Dr. Gerald N. Johnson" <geraldj@storm.weather.net>
Date: Wed, 30 Apr 2008 13:58:32 -0600
The traffic comes in spurts, quiet for a couple days then lots of it. As if the moderator can't look at it every day. Only the list administrator or YOU can do it for you. NONE of the forum participa
/archives//html/TenTec/2008-04/msg00560.html (9,690 bytes)

397. Re: [TenTec] CW filters Omni-C (score: 1)
Author: "Dr. Gerald N. Johnson" <geraldj@storm.weather.net>
Date: Wed, 30 Apr 2008 15:20:09 -0600
I think that's true. When tuning the band with even a good 500 Hz filter you have to tune SLOWLY else you pass signals between words if not between letters. And you find many holes. Both of those are
/archives//html/TenTec/2008-04/msg00561.html (11,165 bytes)

398. Re: [TenTec] OT (score: 1)
Author: "Dr. Gerald N. Johnson" <geraldj@storm.weather.net>
Date: Mon, 03 Mar 2008 15:41:36 -0600
I have a 51J with a white panel. It came from the estate of a smoker. It was brown. I found only something with lots of ammonia took the grunge off the panel and knobs and I'm not sure how much of th
/archives//html/TenTec/2008-03/msg00033.html (9,642 bytes)

399. Re: [TenTec] 238 Tuner Mod (score: 1)
Author: "Dr. Gerald N. Johnson" <geraldj@storm.weather.net>
Date: Tue, 04 Mar 2008 09:46:19 -0600
Y5P ceramics are still fairly drifty. The large physical size of the 6 KV caps is a benefit. It would be better to look for high voltage NPO temperature coefficient disk ceramics. Perhaps 3 of the Sp
/archives//html/TenTec/2008-03/msg00056.html (9,990 bytes)

400. Re: [TenTec] proper caps for Omni V? (score: 1)
Author: "Dr. Gerald N. Johnson" <geraldj@storm.weather.net>
Date: Tue, 04 Mar 2008 15:16:23 -0600
Probably have to go through and ID the caps one-by-one. If you had a parts list for the radio that might be a little easier. 73, Jerry, K0CQ
/archives//html/TenTec/2008-03/msg00064.html (9,108 bytes)

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