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241. Re: [TenTec] Orion II A9 Board Failure...Again! (score: 1)
Author: "Ron Castro" <ronc@sonic.net>
Date: Thu, 26 Jun 2008 15:14:28 -0700
Just out of curiosity, Dick, was that the C6 capacitor that failed? Ron N6IE www.N6IE.com Well, my O II quit right before a contest weekend that I had hoped to pick up a few new ones. Called Ten Tec
/archives//html/TenTec/2008-06/msg00462.html (11,746 bytes)

242. Re: [TenTec] 95% Shield (score: 1)
Author: "Ron Castro" <ronc@sonic.net>
Date: Thu, 15 May 2008 12:36:51 -0700
If the one mW is a harmonic or spurious signal radiated from your transmission line or antenna on the same frequency as the TV station your neighbor is watching, yes, it would cause TVI, however a go
/archives//html/TenTec/2008-05/msg00292.html (11,212 bytes)

243. Re: [TenTec] TVI 95% Shield (score: 1)
Author: "Ron Castro" <ronc@sonic.net>
Date: Fri, 16 May 2008 19:04:13 -0700
Almost all of the digital stations are on UHF, so the problems won't be quite as bad, especially on 6 meters. Just choke all the wires going in or out of the TV set and AV receiver if there is one, a
/archives//html/TenTec/2008-05/msg00330.html (16,161 bytes)

244. Re: [TenTec] 95% Shield--Leukemia? (score: 1)
Author: "Ron Castro" <ronc@sonic.net>
Date: Sat, 17 May 2008 11:51:48 -0700
Leukemia is linked to long term exposer to RF fields, High percentage of Radio engineers has it and/or died from it. I couldn't in good faith let that one go. There is not a shred truth to that stat
/archives//html/TenTec/2008-05/msg00356.html (10,898 bytes)

245. Re: [TenTec] Low Pass Filter (score: 1)
Author: "Ron Castro" <ronc@sonic.net>
Date: Sun, 18 May 2008 13:48:03 -0700
The unit after the tuner may be subject to very high SWR unless your antennas are all have fairly low SWR. A severe mismatch could cause voltage or current sufficient to damage the second unit. But l
/archives//html/TenTec/2008-05/msg00384.html (10,163 bytes)

246. Re: [TenTec] 95% Shield (score: 1)
Author: "Ron Castro" <ronc@sonic.net>
Date: Sun, 18 May 2008 17:23:39 -0700
I doubt that 10% of transmitter site engineers contract any form of leukemia or the Society of Broadcast Engineers, of which I am a member, would be screaming about this. Most of the job-related deat
/archives//html/TenTec/2008-05/msg00388.html (11,726 bytes)

247. Re: [TenTec] Orion 565 Oscillator frequency problem (score: 1)
Author: "Ron Castro" <ronc@sonic.net>
Date: Tue, 20 May 2008 09:17:19 -0700
Rob: The frequency drift problem on Orions and Orion II's is well documented. Since every TCXO is slightly different, replacing the unit might improve overall stability, but it might also make it wor
/archives//html/TenTec/2008-05/msg00412.html (10,371 bytes)

248. Re: [TenTec] Orion 565 Oscillator frequency problem (score: 1)
Author: "Ron Castro" <ronc@sonic.net>
Date: Tue, 20 May 2008 12:57:43 -0700
There is an internal regulator on the board that puts out +5 VDC that the oscillator uses. Variations on the main external supply shouldn't effect the stability of the oscillator module. Ron N6IE www
/archives//html/TenTec/2008-05/msg00424.html (8,867 bytes)

249. Re: [TenTec] 95% Shield (score: 1)
Author: "Ron Castro" <ronc@sonic.net>
Date: Tue, 20 May 2008 15:08:41 -0700
There is nothing to it other than a bunch of "ambulance chaser" lawsuits. If you ask the Centers for Disease Control what diseases or disorders are associated with RF, they'll tell you there aren't a
/archives//html/TenTec/2008-05/msg00430.html (12,219 bytes)

250. Re: [TenTec] Orion 565 Oscillator frequency problem (score: 1)
Author: "Ron Castro" <ronc@sonic.net>
Date: Tue, 20 May 2008 20:43:54 -0700
I also wish the oscillator could be replaced with an aftermarket unit, maybe one like this: http://www.greenrayindustries.com/library/yh1420.pdf I don't know what those cost, but I would pay $200 to
/archives//html/TenTec/2008-05/msg00440.html (11,294 bytes)

251. Re: [TenTec] 95% Shield (score: 1)
Author: "Ron Castro" <ronc@sonic.net>
Date: Wed, 21 May 2008 09:00:19 -0700
Indeed, those are higher frequencies, although the absorption rate at those wavelengths is lower than some commonly used amateur frequencies, at least according to OET-65. At radar frequencies, dish
/archives//html/TenTec/2008-05/msg00444.html (14,461 bytes)

252. Re: [TenTec] 95% Shield (score: 1)
Author: "Ron Castro" <ronc@sonic.net>
Date: Wed, 21 May 2008 13:18:38 -0700
Those frequencies would be well above the visible light spectrum. Ron N6IE www.N6IE.com -- Original Message -- From: "Gary Hoffman" <ghoffman@spacetech.com> To: "Ron Castro" <ronc@sonic.net>; "Discus
/archives//html/TenTec/2008-05/msg00448.html (9,683 bytes)

253. Re: [TenTec] 95% Shield (score: 1)
Author: "Ron Castro" <ronc@sonic.net>
Date: Thu, 22 May 2008 07:52:34 -0700
The frequencies of ionizing radiation are well above the visible light frequencies and part way through the ultra violet range. Power levels are unrelated. Last I heard, there were no repeaters on th
/archives//html/TenTec/2008-05/msg00468.html (10,639 bytes)

254. Re: [TenTec] 95% Shield (score: 1)
Author: "Ron Castro" <ronc@sonic.net>
Date: Thu, 22 May 2008 12:49:59 -0700
Ultraviolet covers much more of the spectrum than visible light does, beginning right above the wavelengths we can see and extending into the X-ray range as you can see in this link: http://en.wikipe
/archives//html/TenTec/2008-05/msg00478.html (12,248 bytes)

255. Re: [TenTec] 4CX1600B (score: 1)
Author: "Ron Castro" <ronc@sonic.net>
Date: Sat, 31 May 2008 14:56:41 -0700
With these tubes in such short supply, it may be necessary to modify the amp to run different finals. My guess would be a pair of GU74b's, which would require a bit of metal work in the box, but they
/archives//html/TenTec/2008-05/msg00662.html (11,609 bytes)

256. Re: [TenTec] LEGAL LIMIT PLUS AMP ALPHA 77D (score: 1)
Author: "Ron Castro" <ronc@sonic.net>
Date: Mon, 7 Apr 2008 23:48:32 -0700
Ken: I also have a 425...the version with the QSK/PTT-VOX switch on the front, and found it to be a solid performer in every respect. I still have it on the desk, but I use it now as a back-up to the
/archives//html/TenTec/2008-04/msg00070.html (13,565 bytes)

257. Re: [TenTec] TenTec Digest, Vol 64, Issue 33 (score: 1)
Author: "Ron Castro" <ronc@sonic.net>
Date: Thu, 24 Apr 2008 15:41:03 -0700
Oh my! Ron N6IE www.N6IE.com READ THE BOTTOM OF THIS MESSAGE, READ THE BOTTOM OF THIS MESSAGE, READ THE BOTTOM OF THIS MESSAGE, READ THE BOTTOM OF THIS MESSAGE, READ THE BOTTOM OF THIS MESSAGE, READ
/archives//html/TenTec/2008-04/msg00427.html (20,892 bytes)

258. Re: [TenTec] TRX-Manager & Orion II (score: 1)
Author: "Ron Castro" <ronc@sonic.net>
Date: Fri, 25 Apr 2008 18:56:03 -0700
In addition to others already mentioned, LOGic 8 and CommCat also work with the Orion II. Both of them can also be used in conjunction with N4PY's rig control software which gives much control over t
/archives//html/TenTec/2008-04/msg00439.html (9,666 bytes)

259. [TenTec] 238 Tuner Mod (score: 1)
Author: "Ron Castro" <ronc@sonic.net>
Date: Mon, 3 Mar 2008 15:28:17 -0800
I few months back, I modified my TT 238 tuner by changing out the disc ceramic caps with surplus Soviet military doorknob caps, which dramatically improves the power handling capability on 160 and 80
/archives//html/TenTec/2008-03/msg00039.html (8,053 bytes)

260. Re: [TenTec] 238 Tuner Mod (score: 1)
Author: "Ron Castro" <ronc@sonic.net>
Date: Mon, 3 Mar 2008 15:45:30 -0800
That would be a good mod since it's so hard to see the little pointer against the black background. BTW...I put the LED replacement pilot lights in and they works, but not all that well. The meter no
/archives//html/TenTec/2008-03/msg00041.html (10,672 bytes)

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