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1. Re: LF: re Steve (score: 1)
Author: "John Sexton" <>
Date: Tue, 08 May 2001 09:36:39 -0700 (PDT)
Hi Alan, I think you have struck the nail on the head Alan. Current in = Current out is probably only true if the coil is very short, i.e. this is just an approximation to the truth, which breaks dow
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-05/msg00245.html (9,287 bytes)

2. Re: LF: LX1PD (score: 1)
Author: "John Sexton" <>
Date: Mon, 25 Jun 2001 07:56:01 -0700 (PDT)
Thanks Dick, That sounds like an interesting station. Perhaps he needs a different type of antenna for receive? John, G4CNN A good strong signal from LX1PD this afternoon. This is the first time I ha
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-06/msg00060.html (9,596 bytes)

3. Re: LF: Protection against lightning (score: 1)
Author: "John Sexton" <>
Date: Wed, 20 Jun 2001 02:06:08 -0700 (PDT)
Hi Tom, Very amusing :-) for us Brits, but if we had to write our emails in German, I bet we'd make many more howlers, hi :-( Nevertheless great fun. John, G4CNN And before Andy complains - the origi
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-06/msg00113.html (8,200 bytes)

4. Re: LF: Wire in the Air etc (score: 1)
Author: "John Sexton" <>
Date: Wed, 06 Jun 2001 10:25:11 -0700 (PDT)
Hi All, Dick PA0SE mentioned recently that radiation from the loading coil is approximately equivalent to the radiation from a piece of wire of the same length. This must surely mean that the reducti
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-06/msg00241.html (9,334 bytes)

5. Re: Re: LF: Re: "Ground" losses (score: 1)
Author: "John Sexton" <>
Date: Tue, 05 Jun 2001 10:47:44 -0700 (PDT)
Hi John and Paul, I use a version of the KI0LE loop for receive. There is a continuous buzz on the vertical from some local power lines probably under the site here, which makes it very poor for rece
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-06/msg00249.html (10,219 bytes)

6. Re: Re: LF: Re. 73KHz (score: 1)
Author: "John Sexton" <>
Date: Mon, 04 Jun 2001 11:22:00 -0700 (PDT)
It may be premature, but it looks like congratulations are in order to John and Laurie for something which everyone thought was impossible just a few months ago. Hope it is repeatable. 73, John, G4CN
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-06/msg00272.html (9,235 bytes)

7. Re: LF: New (to me) DL call (score: 1)
Author: "John Sexton" <>
Date: Mon, 04 Jun 2001 11:15:03 -0700 (PDT)
Hi Alan, Yes I heard this station today, but thought at first, that I had mistaken the call. I heard him first, like you, working Christer, whom I could hear actually and later working F6CNI, first i
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-06/msg00273.html (9,362 bytes)

8. LF: "Ground" losses (score: 1)
Author: "John Sexton" <>
Date: Mon, 04 Jun 2001 11:05:29 -0700 (PDT)
Hi Guys, By risking life and limb at the top of a precarious ladder, cutting off as much of the surrounding greenery as possible, I have further reduced my apparent "Ground" resistance by a further 8
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-06/msg00274.html (8,363 bytes)

9. Re: LF: G8RW and NTL QRM (score: 1)
Author: "John Sexton" <>
Date: Wed, 25 Jul 2001 08:15:39 -0700 (PDT)
Hi Mike, Having had NTL cable Digital Plus installed here some months back, I can confirm that no new QRM on 136 has been observed here that could be attributed to that service. I do not use the E-ma
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-07/msg00035.html (10,138 bytes)

10. LF: 73 kHz tonight (score: 1)
Author: "John Sexton" <>
Date: Thu, 19 Jul 2001 12:19:21 -0700 (PDT)
Hi Laurie, Jim and Mike, Despite high level of QRN good copy of QSO between Laurie and Jim at 19.00 UTC. M0BMU 559 G3AQC 569 Laurie distinctly stronger here in Reading. I found narrow CW filter helpe
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-07/msg00065.html (8,011 bytes)

11. LF: MSF 60kHz unavailability (score: 1)
Author: "John Sexton" <>
Date: Wed, 18 Jul 2001 12:10:47 -0700 (PDT)
Hi All, For those who are unaware of the maintenance program, MSF annual maintenance is undertaken in July. German DCF77 and Swiss HBG services also have down times for maintenance. Their schedules a
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-07/msg00078.html (8,628 bytes)

12. Re: LF: Re: VK, ZL LF allocation (score: 1)
Author: "John Sexton" <>
Date: Wed, 18 Jul 2001 02:24:37 -0700 (PDT)
Hi All, The following stations are allocated to this range of frequencies: 171 Russian transmitter at Kaliningrad 1.2MW well received here 171 Lvov, Ukraine. 1MW (not heard) 171 Osipovicy, Bielo Russ
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-07/msg00081.html (10,747 bytes)

13. LF: Near field effects (score: 1)
Author: "John Sexton" <>
Date: Sat, 14 Jul 2001 05:28:57 -0700 (PDT)
Hi All, Trying to find out more about near field effects, I have read that the transition from near to far field happens at the "Rayleigh distance", sometimes called the "far field distance". An esti
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-07/msg00112.html (9,164 bytes)

14. LF: Re: 9kHz and the Induction field (score: 1)
Author: "John Sexton" <>
Date: Sat, 14 Jul 2001 01:03:26 -0700 (PDT)
Hi All, When Andy queried the formulae yesterday, I later recalled the article in the first edition of the LF Experimenters Source Book, by Lloyd Butler, VK5BR, where he states: 1. The electric compo
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-07/msg00117.html (9,124 bytes)

15. Re: LF: RE: Near field of 9kHz antenna II (score: 1)
Author: "John Sexton" <>
Date: Fri, 13 Jul 2001 12:23:26 -0700 (PDT)
Hi Andy, I can manage the maths, although the arithmetic always seems to go wrong, but not being a radio engineer, the formulae are not very familiar. Can you point me to a good source. John, G4CNN O
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-07/msg00120.html (9,837 bytes)

16. Re: LF: The Other Man (score: 1)
Author: "John Sexton" <>
Date: Fri, 06 Jul 2001 02:57:45 -0700 (PDT)
Hi Steve, Hi Vic, I looked through my list of stations and found that I have heard Vic at least once, so you are at least getting as far as Reading. Unfortunately I don't have a record of the date no
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-07/msg00165.html (13,606 bytes)

17. Re: LF: SAQ (score: 1)
Author: "John Sexton" <>
Date: Mon, 02 Jul 2001 12:04:33 -0700 (PDT)
Hi Dave, Yes you are right, I was using a program to decode the CW, although I can now manage to read by ear up to about 20 wpm on a good day. Regular listening on LF has improved my CW enormously af
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-07/msg00210.html (12,887 bytes)

18. LF: SAQ today (score: 1)
Author: "John Sexton" <>
Date: Sun, 01 Jul 2001 11:18:27 -0700 (PDT)
Hi All, SAQ received 599 here using my KI0LE loop. Unusually for this frequency there was strong QRN of a type which we have often on 136 - what I call the "crumpling a paper bag" sound. Before resta
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-07/msg00235.html (8,755 bytes)

19. LF: Strange signal from DCF42? (score: 1)
Author: "John Sexton" <>
Date: Sun, 26 Aug 2001 11:58:28 -0700 (PDT)
Hi All, Thought I would look at the new frequency for SXV reported by Costas, and found it overwhelmed by a very strong and wide signal at 123.69 kHz, which is the frequency used by DCF42. However th
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-08/msg00044.html (8,477 bytes)

20. Re: LF: French Long-wave broadcasting stations (score: 1)
Author: "John Sexton" <>
Date: Thu, 16 Aug 2001 01:56:17 -0700 (PDT)
Many thanks to Daniel for such an interesting explanation and to Andre for the translation. Judging from the other contributions, it looks as though the thinking has started in earnest for the first
/rsgb_lf_group-archives/html/rsgb_lf_group/2001-08/msg00102.html (13,097 bytes)

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