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221. Re: LF: Ground system (score: 1)
Author: [email protected]
Date: Sat, 17 Jul 2004 17:27:37 EDT
Next to my patch there's a 150ft (50m) deep well that has dried up and the owner now intends to fill it in. He doesn't mind me dropping a few copper wires down it before he does so. Question: is thi
/rsgb_lf_group-archives/html/rsgb_lf_group/2004-07/msg00118.html (8,830 bytes)

222. Re: LF: Loops v Verticals (score: 1)
Author: [email protected]
Date: Wed, 21 Jul 2004 21:55:12 EDT
The type of environment is an essential part of the equation and so results in different environments are particularly of interest. This is exactly the crux of the matter. Mathematically, for a give
/rsgb_lf_group-archives/html/rsgb_lf_group/2004-07/msg00174.html (10,607 bytes)

223. Re: LF: Re: CW (score: 1)
Author: [email protected]
Date: Tue, 3 Aug 2004 21:46:22 EDT
That would be a pity......... What, the demise of LF? Don't worry, it's the same annual prediction Mal has been making since six months after the 136kHz band was first opened.
/rsgb_lf_group-archives/html/rsgb_lf_group/2004-08/msg00022.html (7,943 bytes)

224. Re: LF: CW and other modes (score: 1)
Author: [email protected]
Date: Thu, 5 Aug 2004 00:29:23 EDT
Why do you need to go to all this trouble when a competent CW operator can DO BETTER. Because that notion is sheer fantasy.
/rsgb_lf_group-archives/html/rsgb_lf_group/2004-08/msg00036.html (8,734 bytes)

225. Re: LF: CW MODE (score: 1)
Author: [email protected]
Date: Thu, 5 Aug 2004 19:12:51 EDT
There is no other mode currently in use that suits radio amateur type activity when considering bandwidth and transfer of information. Dogmatic assertion. Numbers, please!
/rsgb_lf_group-archives/html/rsgb_lf_group/2004-08/msg00049.html (8,323 bytes)

226. Re: LF: QRSS origin (score: 1)
Author: [email protected]
Date: Mon, 16 Aug 2004 20:08:03 EDT
More or less like the Schr&ouml;dinger's cat in his famous <A HREF="http://www.npl.washington.edu/npl/int_rep/tiqm/TI_fig_09.html">GedankenExperiment</A> Having just attempted a physical realisation
/rsgb_lf_group-archives/html/rsgb_lf_group/2004-08/msg00187.html (9,817 bytes)

227. Re: LF: Linear amplifiers , MSK, and 500kHz (score: 1)
Author: [email protected]
Date: Tue, 23 Nov 2004 09:28:59 EST
/rsgb_lf_group-archives/html/rsgb_lf_group/2004-11/msg00215.html (10,093 bytes)

228. Re: LF: Linear modes (score: 1)
Author: [email protected]
Date: Mon, 29 Nov 2004 12:03:30 EST
And RTTY. And other digital modes. Of course, it's also MF rather than LF, where a transmitting antenna of a given size is eight times more efficient than at 2200m, and where there's only about a th
/rsgb_lf_group-archives/html/rsgb_lf_group/2004-11/msg00279.html (8,753 bytes)

229. Re: LF: Re: Re: "The enhanced equations of Maxwell"... (score: 1)
Author: [email protected]
Date: Tue, 14 Dec 2004 18:26:01 EST
/rsgb_lf_group-archives/html/rsgb_lf_group/2004-12/msg00075.html (9,006 bytes)

230. Re: LF: A bit of winter solstice reading.... (score: 1)
Author: [email protected]
Date: Wed, 15 Dec 2004 14:01:33 EST
Any time one of my employer's broadcast transmitters would emit no sidebands, they always called me to go to the site and fix it, day or night. I wish I had known of Mr Walker's ideas sooner. Then we
/rsgb_lf_group-archives/html/rsgb_lf_group/2004-12/msg00080.html (9,317 bytes)

231. Re: LF: Anyone on 137,5735 tonight? de VY1JA (score: 1)
Author: [email protected]
Date: Sun, 19 Dec 2004 12:55:42 EST
Most likely the QRSS signal would be someone on the North American lowfer reflector at LWCA.org. Might want to check there as well.
/rsgb_lf_group-archives/html/rsgb_lf_group/2004-12/msg00116.html (7,544 bytes)

232. Re: LF: Trans Atlantic (score: 1)
Author: [email protected]
Date: Tue, 28 Dec 2004 11:02:20 EST
It's not the initial transmission that commits the offense. It's the "acknowledgement" which is the problem; not because it's on a different frequency, but because it constitutes communication with
/rsgb_lf_group-archives/html/rsgb_lf_group/2004-12/msg00190.html (11,062 bytes)

233. Re: LF: Trans Atlantic (score: 1)
Author: [email protected]
Date: Tue, 28 Dec 2004 11:49:55 EST
It could be a reflection of one's character. :-) John
/rsgb_lf_group-archives/html/rsgb_lf_group/2004-12/msg00191.html (10,320 bytes)

234. Re: LF: Needless restrictions re : Trans Atlantic (score: 1)
Author: [email protected]
Date: Tue, 28 Dec 2004 21:29:07 EST
In a message dated 12/28/2004 1:12:26 PM Eastern Standard Time, [email protected] writes: But "They" have an implicit duty to regulate only for some demonstrable universally desirable purpose.
/rsgb_lf_group-archives/html/rsgb_lf_group/2004-12/msg00202.html (13,829 bytes)

235. Re: LF: Trans Atlantic (score: 1)
Author: [email protected]
Date: Wed, 29 Dec 2004 15:50:12 EST
/rsgb_lf_group-archives/html/rsgb_lf_group/2004-12/msg00217.html (9,079 bytes)

236. Re: LF: Needless restrictions re : Trans Atlantic (score: 1)
Author: [email protected]
Date: Thu, 30 Dec 2004 01:24:27 EST
In a message dated 12/29/2004 3:32:00 AM Eastern Standard Time, [email protected] writes: From what you say (which I did not previously know) a LF amateur band has been specifically denied in
/rsgb_lf_group-archives/html/rsgb_lf_group/2004-12/msg00219.html (10,568 bytes)

237. Re: LF: Needless restrictions re : Trans Atlantic (score: 1)
Author: [email protected]
Date: Thu, 30 Dec 2004 12:30:13 EST
/rsgb_lf_group-archives/html/rsgb_lf_group/2004-12/msg00232.html (9,591 bytes)

238. Re: LF: Are we in January or April ? (score: 1)
Author: [email protected]
Date: Sun, 9 Jan 2005 12:57:22 EST
In a message dated 1/9/2005 6:19:09 AM Eastern Standard Time, [email protected] writes: And technical writers that cannot even correctly spell Tera (10^12) aren't worth of any respect... Can we be sure
/rsgb_lf_group-archives/html/rsgb_lf_group/2005-01/msg00236.html (9,018 bytes)

239. Re: LF: Re: SWR-off topic (score: 1)
Author: [email protected]
Date: Sun, 16 Jan 2005 18:14:42 EST
In reply to: I do not think there is a "true" SWR meter which can work by measuring things at only one point on a transmission line. SWR is a ratio and can only be indicated by making a set up which
/rsgb_lf_group-archives/html/rsgb_lf_group/2005-01/msg00392.html (10,433 bytes)

240. LF: Re: Image-Cancelling Exciter (score: 1)
Author: [email protected]
Date: Sun, 16 Jan 2005 19:35:22 EST
Anyone plagued by a slow dialup connection may find this line-art version of the schematic not as pretty as John's, but about 7 times quicker to obtain: http://lwca.org/miscimg/exciter4.gif Fascinati
/rsgb_lf_group-archives/html/rsgb_lf_group/2005-01/msg00394.html (8,574 bytes)


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