Return to KLUBNL.PL main page

Search String: Display: Description: Sort:

Results:

References: [ +from:[email protected]: 515 ]

Total 515 documents matching your query.

261. Re: LF: Re: VLF - distances achjeved (score: 1)
Author: John Rabson <[email protected]>
Date: Wed, 15 Dec 2010 18:51:36 +0100
Mal, I am using data supplied by Stefan, Gerhard and others. I have no reason to doubt them. John On 15 Dec 2010, at 18:11CET, mal hamilton wrote: Published articles need hard facts and some people w
/rsgb_lf_group-archives/html/rsgb_lf_group/2010-12/msg00518.html (10,932 bytes)

262. Re: LF: Weather? (score: 1)
Author: John Rabson <[email protected]>
Date: Wed, 8 Dec 2010 17:21:43 +0100
Have a look at http://www.timeanddate.com/weather/uk/cardiff for current and forecast conditions. I am watching Sky TV via satellite to see if they say anything. 73 John F5VLF
/rsgb_lf_group-archives/html/rsgb_lf_group/2010-12/msg00566.html (8,731 bytes)

263. Re: LF: VLF - distances achjeved (score: 1)
Author: John Rabson <[email protected]>
Date: Wed, 15 Dec 2010 16:56:49 +0100
Stefan, Gerhard, LF, Many thanks for the corrections. 73 John On 15 Dec 2010, at 14:21CET, Stefan Schäfer wrote: Ah John, Sorry, there is another bug: The QTH of the kite antenna is JN49IS36VH, near
/rsgb_lf_group-archives/html/rsgb_lf_group/2010-12/msg00646.html (19,824 bytes)

264. Re: LF: Earth mode ranges (score: 1)
Author: John Rabson <[email protected]>
Date: Sat, 11 Dec 2010 10:17:08 +0100
Something like this was reported some years ago either in RadCom or in the early days of this reflector. I can't remember who, or what band, but I think it was in southwest England. Has anyone got a
/rsgb_lf_group-archives/html/rsgb_lf_group/2010-12/msg00662.html (9,108 bytes)

265. AOG antennas (was Re: LF: BODGE ANTENNAS) (score: 1)
Author: John Rabson <[email protected]>
Date: Tue, 14 Dec 2010 20:49:58 +0100
On 14 Dec 2010, at 20:10CET, Roger Lapthorn wrote: Mal, Please, I make no magical claims for the earth electrode antenna I use. All I say is that, in certain circumstances, it works rather better tha
/rsgb_lf_group-archives/html/rsgb_lf_group/2010-12/msg00665.html (10,029 bytes)

266. Re: LF: ARGO Help Needed by JA7NI (score: 1)
Author: John Rabson <[email protected]>
Date: Wed, 1 Dec 2010 13:58:00 +0100
How wide a frequency range does Kuni need? I can run 4 copies of Argo at the same time on an XP system. Each one can be set to a different part of the band and (if necessary a differet speed. 73 John
/rsgb_lf_group-archives/html/rsgb_lf_group/2010-12/msg00699.html (9,614 bytes)

267. Re: LF: 8970 Stefan started 11:04 UTC (score: 1)
Author: John Rabson <[email protected]>
Date: Sat, 4 Dec 2010 15:32:29 +0100
There is no change. CET is always 1 hr in advance of UTC. In winter most of Western Europe is on CET (MEZ auf Deutsch). In the spring they put the clocks forward 1hr and are on CEST (MESZ auf Deutsch
/rsgb_lf_group-archives/html/rsgb_lf_group/2010-12/msg00719.html (9,780 bytes)

268. Re: LF: Interesting Graffiti (score: 1)
Author: John Rabson <[email protected]>
Date: Wed, 22 Dec 2010 18:53:05 +0100
Perhaps Mal is a visiting lecturer? John F5VLF On 22 Dec 2010, at 17:59CET, Andy Talbot wrote: Rether intriguing, especially when considered along with the wording... http://picasaweb.google.com/andy
/rsgb_lf_group-archives/html/rsgb_lf_group/2010-12/msg01053.html (9,060 bytes)

269. Re: LF: Re: OE5ODL_6470Hz (score: 1)
Author: John Rabson <[email protected]>
Date: Sat, 29 Jan 2011 14:35:31 +0100
On 29 Jan 2011, at 12:19CET, Rik Strobbe wrote: DXCC countries that can be activated : GD, GU, GJ (as part of UK), TF and 9A. Rik, Strictly speaking, these three countries are not part of the United
/rsgb_lf_group-archives/html/rsgb_lf_group/2011-01/msg00048.html (12,586 bytes)

270. Re: LF: UTC FOR GRABBERS (score: 1)
Author: John Rabson <[email protected]>
Date: Mon, 3 Jan 2011 17:15:04 +0100
On 3 Jan 2011, at 16:37CET, mal hamilton wrote: It would be helpful if all Grabbers and communicators worked in GMT (UTC) as do all commercial marine, air services etc G3KEV . Hear, hear. I notice a
/rsgb_lf_group-archives/html/rsgb_lf_group/2011-01/msg00088.html (9,357 bytes)

271. LF: 16 kHz again (score: 1)
Author: "John RABSON" <[email protected]>
Date: Tue, 25 Jan 2011 16:35:30 +0100
LF, Please see correspondence between G3NYK and G3PAI below. Perhaps GBR has gone /M. 73 John F5VLF
/rsgb_lf_group-archives/html/rsgb_lf_group/2011-01/msg00169.html (9,075 bytes)

272. Re: LF: Re: OE5ODL_6470Hz (score: 1)
Author: John Rabson <[email protected]>
Date: Sat, 29 Jan 2011 14:19:42 +0100
Thanks. On 29 Jan 2011, at 11:02CET, mal hamilton wrote: John New ones are EA3 and YO2 73 de Mal/g3kev -- Original Message -- From: [email protected] John Rabson To: [email protected] r
/rsgb_lf_group-archives/html/rsgb_lf_group/2011-01/msg00174.html (12,948 bytes)

273. LF: Re: RF ammeter question (score: 1)
Author: John Rabson <[email protected]>
Date: Wed, 12 Jan 2011 08:55:50 +0100
Thanks Jim. With 1N5822 diodes response is within +/- 1 dB from 10 to 300 kHz. When I have the 1N4148s I will try them. 73 John F5VLF
/rsgb_lf_group-archives/html/rsgb_lf_group/2011-01/msg00263.html (10,129 bytes)

274. Re: LF: RF ammeter question (score: 1)
Author: John Rabson <[email protected]>
Date: Tue, 11 Jan 2011 13:11:56 +0100
Thank you everyone for your comments. I have found some 1N5822 Schottky diodes so may try those. Chris: 1N4148 - yes please. John F5VLF
/rsgb_lf_group-archives/html/rsgb_lf_group/2011-01/msg00430.html (10,306 bytes)

275. Re: LF: RF ammeter question (score: 1)
Author: John Rabson <[email protected]>
Date: Tue, 11 Jan 2011 15:56:40 +0100
73, Markus (DF6NM) =
/rsgb_lf_group-archives/html/rsgb_lf_group/2011-01/msg00458.html (11,028 bytes)

276. LF: RF ammeter question (score: 1)
Author: "John RABSON" <[email protected]>
Date: Tue, 11 Jan 2011 12:16:46 +0100
LF, I have built the fullwave rectified version of the design shown on page 10.33 of the RSGB Handbook 10th edition. It reads correctly at 25kHz but only show 1/3 of the correct value at 136. Not hav
/rsgb_lf_group-archives/html/rsgb_lf_group/2011-01/msg00473.html (8,804 bytes)

277. LF: Units (was Re: JA GRRABBERS (sic) at a same time) (score: 1)
Author: John Rabson <[email protected]>
Date: Fri, 7 Jan 2011 15:45:20 +0100
LF, 50 years ago, I went to Reading University to learn about physics and chemistry. Our physics lectures were all done with CGS units. One of the professors went through Dimensional Analysis very th
/rsgb_lf_group-archives/html/rsgb_lf_group/2011-01/msg00518.html (12,519 bytes)

278. Re: LF: Re: Why do blown FETs always go Drain-Gate short? (score: 1)
Author: John Rabson <[email protected]>
Date: Sat, 15 Jan 2011 23:20:47 +0100
Too right, John F5VLF (STC Rectifier Division, 1962-9)
/rsgb_lf_group-archives/html/rsgb_lf_group/2011-01/msg00562.html (8,804 bytes)

279. Re: LF: Re: Re: FET RDS (score: 1)
Author: John Rabson <[email protected]>
Date: Fri, 14 Jan 2011 14:45:21 +0100
Thank you for all that, Andy. May I suggest another thing we might look at? If we could measure the temperature of the FET case, perhaps we could deduce the dissipation, and therefore get a lower bou
/rsgb_lf_group-archives/html/rsgb_lf_group/2011-01/msg00600.html (10,830 bytes)

280. Re: VLF: PSK on 3.3 kHz by cavers (score: 1)
Author: John Rabson <[email protected]>
Date: Thu, 20 Jan 2011 09:00:00 +0100
Using about 4W RF on 87kHz USB, we found that using an earth electrode system underground insted of a small loop gave up to 31dB stronger signal on the surface (Kingsdale Master Cave valley entrance
/rsgb_lf_group-archives/html/rsgb_lf_group/2011-01/msg00682.html (11,000 bytes)


This search system is powered by Namazu