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Total 567 documents matching your query.

181. Re: [TenTec] bringing up an old amp (score: 1)
Author: "Gary Hoffman" <ghoffman@spacetech.com>
Date: Sat, 13 Oct 2007 00:34:51 -0400
How does one leave the HV off the tubes ? Do you mean to go in and disconnect an HV lead or leads ? Or do you mean to turn on the power and not apply any drive for a long time ? It would seem awkward
/archives//html/TenTec/2007-10/msg00264.html (11,439 bytes)

182. Re: [TenTec] bringing up an old amp (score: 1)
Author: "Gary Hoffman" <ghoffman@spacetech.com>
Date: Sat, 13 Oct 2007 01:14:50 -0400
Stuart, Yes, I've seen those switches. But neither of my two amps are so equipped. But I understand that what is meant is truly disconnecting the HV. That's the point I guess. Gary -- Original Messag
/archives//html/TenTec/2007-10/msg00266.html (10,410 bytes)

183. Re: [TenTec] Purpose of 250 Hz 8 pole filters (score: 1)
Author: "Gary Hoffman" <ghoffman@spacetech.com>
Date: Mon, 22 Oct 2007 18:01:42 -0400
It's sort of the perfect example of "your mileage may vary. I like the narrowest filter. Even moreso, I use an outboard DSP filter that also has bandpass capability and I like to crank that down also
/archives//html/TenTec/2007-10/msg00440.html (10,499 bytes)

184. Re: [TenTec] Purpose of 250 Hz 8 pole filters (score: 1)
Author: "Gary Hoffman" <ghoffman@spacetech.com>
Date: Mon, 22 Oct 2007 18:07:32 -0400
Yes indeed on the fishing around ! I have seen that often. In fact, no doubt I am one of the guilty ! <grin> With both IF and DSP filters cranked way way down, I won't hear stations calling even slig
/archives//html/TenTec/2007-10/msg00441.html (10,918 bytes)

185. Re: [TenTec] Omni VI and non TT Amp (score: 1)
Author: "Gary Hoffman" <ghoffman@spacetech.com>
Date: Tue, 30 Oct 2007 18:23:11 -0400
I think not using ALC is fine, if and only if, you know how to manually set the drive level to a point that is appropriate to your amp, and if you do this all the time. If your amp will accept the fu
/archives//html/TenTec/2007-10/msg00551.html (10,200 bytes)

186. Re: [TenTec] Omni VI and non TT Amp (score: 1)
Author: "Gary Hoffman" <ghoffman@spacetech.com>
Date: Tue, 30 Oct 2007 18:36:13 -0400
Hehehe....what's a paddle ? Does that make the funny "beeping" noise that I always filter out ? (grin) Gary and and mic opposite port
/archives//html/TenTec/2007-10/msg00552.html (14,309 bytes)

187. Re: [TenTec] Omni VI and non TT Amp (score: 1)
Author: "Gary Hoffman" <ghoffman@spacetech.com>
Date: Tue, 30 Oct 2007 23:06:25 -0400
in not drive splatter Both make good points. Obviously many hams have no idea these days how to use an amp. Many amps need drive levels different from what the exciter can put out. An amp is not an a
/archives//html/TenTec/2007-10/msg00568.html (11,292 bytes)

188. Re: [TenTec] SB220-Tubes and QSK (score: 1)
Author: "Gary Hoffman" <ghoffman@spacetech.com>
Date: Wed, 31 Oct 2007 22:15:14 -0400
Don't forget WHAM....clear channel 50k watts for many many years....and they ran water cooled tubes....I've been there and seen em :) Capital for draggers. junk but
/archives//html/TenTec/2007-10/msg00588.html (9,501 bytes)

189. Re: [TenTec] delta 580 on 10 meters? (score: 1)
Author: "Gary Hoffman" <ghoffman@spacetech.com>
Date: Fri, 7 Sep 2007 00:22:32 -0400
I would not say that all Ten Tec radios are insensitive on 10 meters. Certainly mine are not. Or, did you mean to say that they are quiet on 10 meters in the absence of signals ? 73 de Gary, AA2IZ al
/archives//html/TenTec/2007-09/msg00163.html (11,595 bytes)

190. Re: [TenTec] PA current control (score: 1)
Author: "Gary Hoffman" <ghoffman@spacetech.com>
Date: Mon, 24 Sep 2007 00:03:52 -0400
This seems to be a very clear explanation of how it is done, based on actual analysis of the circuit. Thus it seems reasonable to accept that this is how it works. That being so, I wonder why Ten Tec
/archives//html/TenTec/2007-09/msg00389.html (14,617 bytes)

191. Re: [TenTec] Single Sweep Spectrum Display (score: 1)
Author: "Gary Hoffman" <ghoffman@spacetech.com>
Date: Thu, 30 Aug 2007 16:34:08 -0400
I like to see a response like this as I can see that Ten Tec is listening, and it gives me some useful information. Thanks Scott ! 73 de Gary, AA2IZ the
/archives//html/TenTec/2007-08/msg00463.html (10,386 bytes)

192. Re: [TenTec] CW Tuning with Omni 6 Plus (score: 1)
Author: "Gary Hoffman" <ghoffman@spacetech.com>
Date: Fri, 1 Jun 2007 23:13:52 -0400
Hi Kevin, No, I'm not confusing it. I know what 180 degrees out of phase means, vs. any other phase angle. And I know what a vector sum means. My only mistake was in using the vernacular instead of s
/archives//html/TenTec/2007-06/msg00011.html (11,330 bytes)

193. Re: [TenTec] Jupiter - duty cycle for digital modes (score: 1)
Author: "Gary Hoffman" <ghoffman@spacetech.com>
Date: Sat, 2 Jun 2007 23:44:20 -0400
No, the thermodynamics favor blowing high (relatively) speed air at room temperature onto the heat sink. 73 de Gary, AA2IZ just heat
/archives//html/TenTec/2007-06/msg00041.html (9,747 bytes)

194. Re: [TenTec] Gauge of wire from power supply question? (score: 1)
Author: "Gary Hoffman" <ghoffman@spacetech.com>
Date: Thu, 7 Jun 2007 23:52:04 -0400
When I want to decide on wire size where voltage drop matters, I simply look up the resistivity of the wire I am specifically using, calculate the voltage drop for the length I contemplate using and
/archives//html/TenTec/2007-06/msg00135.html (12,663 bytes)

195. Re: [TenTec] The ideal transceiver (score: 1)
Author: "Gary Hoffman" <ghoffman@spacetech.com>
Date: Fri, 4 May 2007 21:49:34 -0400
As John has said below, much depends on one's operating preferences. Computer control is a must-have for me. I operate almost all digital modes these days, plus an occasional burst of SSB, and nothin
/archives//html/TenTec/2007-05/msg00121.html (9,039 bytes)

196. Re: [TenTec] Elecraft K3 vs Orion (score: 1)
Author: "Gary Hoffman" <ghoffman@spacetech.com>
Date: Fri, 4 May 2007 21:52:53 -0400
Rick also makes a great point - the display. My taste is for a huge, 25 inch computer monitor to be my display. Run of course by my computer, which is controlling the Rig. This was nice back when I h
/archives//html/TenTec/2007-05/msg00122.html (10,439 bytes)

197. Re: [TenTec] Elecraft K3 vs Orion (score: 1)
Author: "Gary Hoffman" <ghoffman@spacetech.com>
Date: Mon, 7 May 2007 00:22:57 -0400
I once had a meter that drifted in exact step with the signal it was measuring, leading me to believe I had a no drift system. Other than that mistake, I've never seen one either. Maybe we can amend
/archives//html/TenTec/2007-05/msg00153.html (10,034 bytes)

198. Re: [TenTec] CW Tuning with Omni 6 Plus (score: 1)
Author: "Gary Hoffman" <ghoffman@spacetech.com>
Date: Thu, 31 May 2007 21:45:19 -0400
That's right. A zero beat means that the two tones are identical and so their vector sum is zero. Hence no output. Unless of course one does something odd with the phase of the two signals. Is that b
/archives//html/TenTec/2007-05/msg00523.html (9,611 bytes)

199. Re: [TenTec] CW Tuning with Omni 6 Plus (score: 1)
Author: "Gary Hoffman" <ghoffman@spacetech.com>
Date: Thu, 31 May 2007 22:33:40 -0400
That's what I said Jerry....or at least tried to say. Normally, in applications I have experience with the signals are out of phase and thus cancel. This, in my personal view, is the most useful conf
/archives//html/TenTec/2007-05/msg00526.html (10,260 bytes)

200. Re: [TenTec] emergency back up power (score: 1)
Author: "Gary Hoffman" <ghoffman@spacetech.com>
Date: Sun, 4 Mar 2007 19:44:25 -0500
Here is one possible answer. There are dozens of others. I wanted considerable run time, including a couple lights and stuff. I do NOT operate it portable. So - I have 3 deep discharge batteries of t
/archives//html/TenTec/2007-03/msg00054.html (10,001 bytes)


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