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References: [ +from:[email protected]: 275 ]

Total 275 documents matching your query.

241. Re: LF: Antenna at Work (score: 1)
Author: [email protected]
Date: Sun, 6 Feb 2005 03:58:10 EST
You'll have the neighbors reporting an Unidentified Flying Object. :-)
/rsgb_lf_group-archives/html/rsgb_lf_group/2005-02/msg00102.html (7,488 bytes)

242. Re: LF: Re: Big Bad Amps -or " Practical use of Wilkinson combiner" (score: 1)
Author: [email protected]
Date: Wed, 2 Mar 2005 13:10:58 EST
Another good reason to use a combiner is to preserve impedance matching. Running two amplifiers in direct parallel connection will not maximize the available power. It can also reduce the risk of dam
/rsgb_lf_group-archives/html/rsgb_lf_group/2005-03/msg00058.html (8,443 bytes)

243. Re: LF: UNINSTALL (score: 1)
Author: [email protected]
Date: Fri, 1 Apr 2005 15:36:55 EST
In a message dated 4/1/2005 11:02:16 AM Eastern Standard Time, [email protected] writes: O.K., I've uninstalled. And I've disassembled.
/rsgb_lf_group-archives/html/rsgb_lf_group/2005-04/msg00018.html (7,945 bytes)

244. Re: LF: Pseudo-synch QRSS (score: 1)
Author: [email protected]
Date: Tue, 12 Apr 2005 12:46:33 EDT
/rsgb_lf_group-archives/html/rsgb_lf_group/2005-04/msg00163.html (8,560 bytes)

245. Re: LF: Suitable ground? (score: 1)
Author: [email protected]
Date: Sun, 31 Jul 2005 11:52:59 EDT
The wire you run to the well will be more effective than the well itself. For RF grounding, depth is no advantage. You want the return current to have as low a resistance path as possible near the su
/rsgb_lf_group-archives/html/rsgb_lf_group/2005-07/msg00016.html (9,202 bytes)

246. Re: LF: How measuring Ground conductivity ? (score: 1)
Author: [email protected]
Date: Mon, 14 Nov 2005 11:56:38 EST
Hello Uwe, This procedure basically measures ground rod effectiveness more than the soil conductivity, although fairly good conductivity can be inferred from the result. If you are trying to measure
/rsgb_lf_group-archives/html/rsgb_lf_group/2005-11/msg00112.html (9,538 bytes)

247. Re: LF: Loran Line or U.S. MedFER? (score: 1)
Author: [email protected]
Date: Thu, 5 Jan 2006 13:41:23 EST
Hmm, I can't quite tell by looking. Highly unlikely to be a LORAN line at that frequency any more. On the other hand, 1705 is the upper limit for license-free operation, so if it's a MedFER, someone
/rsgb_lf_group-archives/html/rsgb_lf_group/2006-01/msg00058.html (9,749 bytes)

248. Re: LF: Loran Line or U.S. MedFER? (score: 1)
Author: [email protected]
Date: Thu, 5 Jan 2006 17:20:50 EST
http://lwca.org/sitepage/part15/whatisit.htm contains a summary of the bands, and links to the applicable FCC Rules. John
/rsgb_lf_group-archives/html/rsgb_lf_group/2006-01/msg00069.html (10,372 bytes)

249. Re: Re[2]: LF: Loran Line or U.S. MedFER? (score: 1)
Author: [email protected]
Date: Fri, 6 Jan 2006 13:06:06 EST
Excellent description, John! And a rather slow disco DJ, at that. Here, I believe the frequency span was roughly 1700 to 1900. One could often hear them with an AM broadcast receiver, and 160m was l
/rsgb_lf_group-archives/html/rsgb_lf_group/2006-01/msg00084.html (10,414 bytes)

250. Re: LF: strong (score: 1)
Author: [email protected]
Date: Sat, 7 Jan 2006 20:27:36 EST
Or reading it, ironically enough. :-)
/rsgb_lf_group-archives/html/rsgb_lf_group/2006-01/msg00116.html (7,874 bytes)

251. Re: LF: strong (score: 1)
Author: [email protected]
Date: Sat, 7 Jan 2006 20:27:06 EST
/rsgb_lf_group-archives/html/rsgb_lf_group/2006-01/msg00117.html (8,014 bytes)

252. Re: LF: Mini-Whip .PDF (score: 1)
Author: [email protected]
Date: Wed, 18 Jan 2006 11:16:48 EST
In a message dated 1/18/2006 11:05:39 AM Eastern Standard Time, [email protected] writes: Perhaps it should be put on one of the websites since this reflector won't pass attachments. We would be glad
/rsgb_lf_group-archives/html/rsgb_lf_group/2006-01/msg00289.html (8,198 bytes)

253. Re: LF: Kahn EER? (score: 1)
Author: [email protected]
Date: Mon, 23 Jan 2006 14:52:11 EST
Well, I hadn't associated the name Kahn with EER that closely since the Sixties. :) It was important to a lot of their "compatible SSB" work, but I don't think they deserve enough of the credit for t
/rsgb_lf_group-archives/html/rsgb_lf_group/2006-01/msg00396.html (8,292 bytes)

254. Re: LF: Top load coil at ground level? (score: 1)
Author: [email protected]
Date: Thu, 20 Apr 2006 14:05:05 EDT
Thanks, Nigel. I hadn't thought about WinZip's extra abilities to recognize and extract the content of files beyond the usual PKZip format. It isn't on this machine yet, but soon will be. John
/rsgb_lf_group-archives/html/rsgb_lf_group/2006-04/msg00350.html (9,214 bytes)

255. Re: LF: Top load coil at ground level? (score: 1)
Author: [email protected]
Date: Thu, 20 Apr 2006 12:01:09 EDT
Actually, it's a propagation problem. Some mail systems don't like to handle multiple attachments, and enclosed them in a Zip file. Usually this works fine. Unfortunately, there's something about the
/rsgb_lf_group-archives/html/rsgb_lf_group/2006-04/msg00353.html (10,384 bytes)

256. Re: LF: Top load coil at ground level? (score: 1)
Author: [email protected]
Date: Thu, 20 Apr 2006 10:25:19 EDT
I'm sorry, Dick, it still doesn;t seem to be working. Can you save the files in some generally usable format such as GIF or PNG and then send them? John
/rsgb_lf_group-archives/html/rsgb_lf_group/2006-04/msg00357.html (9,839 bytes)

257. Re: LF: Top load coil at ground level? (score: 1)
Author: [email protected]
Date: Wed, 19 Apr 2006 13:20:35 EDT
Dick, Could you send that diagram directly, please? AOL cannot handle multiple file attachments. What I got was a zipped version containing two cryptic MIME files. Thanks. John Davis
/rsgb_lf_group-archives/html/rsgb_lf_group/2006-04/msg00361.html (10,523 bytes)

258. Re: LF: SAQ 17.2 kHz (score: 1)
Author: [email protected]
Date: Sun, 21 May 2006 13:51:18 EDT
The control circuitry for an alternator transmitter takes into account that the drive motor needs to receive more power during key down than during key up condition. The key not only drives the magne
/rsgb_lf_group-archives/html/rsgb_lf_group/2006-05/msg00206.html (8,447 bytes)

259. Re: LF: Re: URGENT: SAQ-transmission Sep 2, 2000 (score: 1)
Author: [email protected]
Date: Sun, 28 May 2006 17:09:59 EDT
Well, it is an historic station, after all...
/rsgb_lf_group-archives/html/rsgb_lf_group/2006-05/msg00208.html (7,872 bytes)

260. Re: LF: EMF sensitivity? (score: 1)
Author: [email protected]
Date: Wed, 3 May 2006 03:10:32 EDT
This would be a good quick test in the absence of instrumentation. An UV photometer is not inexpensive. However, I would still not overlook better shielding for the transmitter. To date I have not s
/rsgb_lf_group-archives/html/rsgb_lf_group/2006-05/msg00222.html (9,435 bytes)


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