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21. SV: LF: eclipse (score: 1)
Author: "Johan Bodin" <[email protected]>
Date: Thu, 5 Aug 1999 23:02:51 +0200
Hello, Forwarded from Rik Strobbe: A software team from the Belgien amateur radio society UBA has developed a programme that can be used to register the fieldstrength measurements. All you need is a
/rsgb_lf_group-archives/html/rsgb_lf_group/1999-08/msg00050.html (8,842 bytes)

22. SV: LF: Loops - current measurements (score: 1)
Author: "Johan Bodin" <[email protected]>
Date: Mon, 30 Aug 1999 14:15:37 +0200
Hello Regarding ground induction losses mentioned by Bob ZL2CA: The loop design programs RJELOOP1 and RJELOOP2, written by Reg / G4FGQ, both include induced ground loss when they compute the total lo
/rsgb_lf_group-archives/html/rsgb_lf_group/1999-08/msg00179.html (8,247 bytes)

23. LF: ELF (score: 1)
Author: "Johan Bodin" <[email protected]>
Date: Fri, 10 Sep 1999 18:16:42 +0200
I found this link on the ndblist email reflector: http://www.fas.org/man/dod-101/navy/docs/scmp/part07.htm 137 kHz can be considered "microwaves" in comparison... 73 de Johan, SM6LKM
/rsgb_lf_group-archives/html/rsgb_lf_group/1999-09/msg00029.html (7,606 bytes)

24. LF: DGPS reception using the phasing method (score: 1)
Author: "Johan Bodin" <[email protected]>
Date: Thu, 7 Oct 1999 00:37:33 +0200
Hi dear Homebrewers & Lowfers! I got a Garmin GPS 12 receiver on my birthday which immediately resulted in wild plans to build a DGPS beacon receiver ;-) I want to try a phasing SSB receiver with abo
/rsgb_lf_group-archives/html/rsgb_lf_group/1999-10/msg00045.html (9,262 bytes)

25. LF: SV: Re: DGPS reception using the phasing method (score: 1)
Author: "Johan Bodin" <[email protected]>
Date: Thu, 7 Oct 1999 20:58:52 +0200
Hello Dick, thanks for the information regarding phasing networks. I will write a letter to Harry. 73 de Johan, SM6LKM
/rsgb_lf_group-archives/html/rsgb_lf_group/1999-10/msg00052.html (7,713 bytes)

26. LF: OH1TN active on PSK31 (score: 1)
Author: "Johan Bodin" <[email protected]>
Date: Wed, 10 Nov 1999 12:13:50 +0100
Hello all, Yesterday, around 2100 UTC, I heard a signal on 136.16 kHz that sounded like PSK31. I started the PSK31 program which immediately printed "CQ CQ CQ DE OH1TN OH1TN OH1TN". 73 Johan, SM6LKM
/rsgb_lf_group-archives/html/rsgb_lf_group/1999-11/msg00037.html (7,769 bytes)

27. LF: Special LF event (score: 1)
Author: "Johan Bodin" <[email protected]>
Date: Mon, 15 Nov 1999 20:39:37 +0100
Hello All, SM6PXJ, SM0AOM and I are planning a 137 kHz dxpedition to the transmitting site in Karlsborg on Saturday November 27. We are going to use the old "T" antenna which is about 210 meters high
/rsgb_lf_group-archives/html/rsgb_lf_group/1999-11/msg00099.html (8,019 bytes)

28. LF: SV: Receivers and power-line noise (score: 1)
Author: "Johan Bodin" <[email protected]>
Date: Fri, 19 Nov 1999 20:21:54 +0100
Hello, I have found out the hard way that the rectifier diodes in some power supplies can generate truly enormous amounts of harmonic hash at these frequencies. Not only on LF! Sometimes it is a prob
/rsgb_lf_group-archives/html/rsgb_lf_group/1999-11/msg00157.html (8,597 bytes)

29. LF: Special LF event - Part 2 (score: 1)
Author: "Johan Bodin" <[email protected]>
Date: Tue, 23 Nov 1999 23:18:52 +0100
Hello All, We have got a special permission to radiate 1kW ERP (!) in the 135.7 - 137.8 kHz band during our "dxpedition" to Karlsborg on Saturday the 27:th of November. SM6PXJ, Christer, will bring h
/rsgb_lf_group-archives/html/rsgb_lf_group/1999-11/msg00198.html (9,495 bytes)

30. LF: 7S6SAJ expedition cancelled (score: 1)
Author: "Johan Bodin" <[email protected]>
Date: Fri, 26 Nov 1999 16:49:23 +0100
Hello All, Bad news. Our 7S6SAJ dxpedition to Karlsborg has been cancelled because a key person suddenly became unable to participate. However, we will try to make a new attempt in a near future. Ple
/rsgb_lf_group-archives/html/rsgb_lf_group/1999-11/msg00219.html (7,944 bytes)

31. LF: 7S6SAJ expedition cancelled (score: 1)
Author: "Johan Bodin" <[email protected]>
Date: Fri, 26 Nov 1999 16:51:13 +0100
Hello All, Bad news. Our 7S6SAJ dxpedition to Karlsborg has been cancelled because a key person suddenly became unable to participate. However, we will try to make a new attempt in a near future. Ple
/rsgb_lf_group-archives/html/rsgb_lf_group/1999-11/msg00220.html (7,945 bytes)

32. LF: SV: qrss (score: 1)
Author: "Johan Bodin" <[email protected]>
Date: Tue, 21 Dec 1999 00:37:19 +0100
Hi Mal, Can anyone explain to me why qrss is necessary on 136 khz. All the activity that I have heard on this frequency is workable on normal speed cw at my qth. And, the activity you didn't *hear* i
/rsgb_lf_group-archives/html/rsgb_lf_group/1999-12/msg00102.html (8,696 bytes)

33. LF: SV: Re: SIGNAL (score: 1)
Author: "Johan Bodin" <[email protected]>
Date: Wed, 19 Jan 2000 00:42:22 +0100
I agree with Steve. Besides, I suffer from astigmatism myself. Yes, there is a big difference between 1W ERP from a small garden antenna and 1W ERP from a 1000ft tower ;-) It's like comparing the per
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-01/msg00210.html (7,942 bytes)

34. LF: Special LF event - new attempt - 7S6SAJ (score: 1)
Author: "Johan Bodin" <[email protected]>
Date: Tue, 1 Feb 2000 23:07:31 +0100
Dear all, Christer, SM6PXJ, and I are going to make a new attempt to transmit from the retired giant "T" antenna (210 meters tall) in Karlsborg next weekend. We will try to get on the air in the afte
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-02/msg00019.html (8,316 bytes)

35. LF: SV: Re: Special LF event - new attempt - 7S6SAJ (score: 1)
Author: "Johan Bodin" <[email protected]>
Date: Wed, 2 Feb 2000 01:15:50 +0100
Hi boys, the efficiency of a 1/10 lambda ant over a good ground system could easily be over 50%. Yes, we know. That's the reason for using this antenna ;-) 73 de SM6LKM
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-02/msg00023.html (8,654 bytes)

36. LF: Pictures from 7S6SAJ, part 2... (score: 1)
Author: "Johan Bodin" <[email protected]>
Date: Sun, 13 Feb 2000 12:25:05 +0100
Here it is: http://radio.se-swed.net/136khz/ 73 Johan
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-02/msg00139.html (7,751 bytes)

37. LF: Pictures from 7S6SAJ expedition (score: 1)
Author: "Johan Bodin" <[email protected]>
Date: Sun, 13 Feb 2000 12:22:57 +0100
Hello All, SM6CJJ, Jan, has put up a web page with some photos from our LF expedition 7S6SAJ. Swedish text :-( 73 de Johan, SM6LKM
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-02/msg00140.html (7,734 bytes)

38. LF: 73 kHz QRSS received in SM? (score: 1)
Author: "Johan Bodin" <[email protected]>
Date: Mon, 6 Mar 2000 22:40:40 +0100
Hello All, I believe I saw a QRSS signal on 71.805! It started at 20.45 UTC tonight, Monday, and lasted for about three minutes. It was not strong enough to be readable but quite close! Who was it? I
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-03/msg00070.html (8,226 bytes)

39. LF: 1000 km exceeded on 73 kHz (score: 1)
Author: "Johan Bodin" <[email protected]>
Date: Thu, 9 Mar 2000 12:44:18 +0100
Hello All, I had the pleasure to work G3YXM crossband on 73 kHz / 80 m this morning. QRB 1122 km. I was really surprised by the good S/N ratio of Dave's signal. The practical limit is probably far be
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-03/msg00104.html (7,849 bytes)

40. LF: New coil design program by G4FGQ (score: 1)
Author: "Johan Bodin" <[email protected]>
Date: Sat, 29 Apr 2000 11:54:46 +0200
Hello all, G4FGQ has written a new coil design program, solnoid2.exe. It seems to predict loss with better accuracy than solenoid.exe. http://www.btinternet.com/~g4fgq.regp/ http://www.btinternet.com
/rsgb_lf_group-archives/html/rsgb_lf_group/2000-04/msg00336.html (7,927 bytes)


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