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21. Re: LF: Re: 9kHz noise level (score: 1): Author: Paul Nicholson <[email protected]>; Date: Tue, 02 Mar 2010 10:06:10 +0000; It is encouraging to see interest in amateur tx experiments in the VLF band. Calculations suggest that ranges of 100km or more would be possible with QRSS given about 1mW ERP which is not an unreason; /rsgb_lf_group-archives/html/rsgb_lf_group/2010-03/msg00566.html (10,813 bytes)
22. Re: LF: Re: 9kHz noise level (score: 1): Author: "Roelof Bakker" <[email protected]>; Date: Tue, 02 Mar 2010 21:31:00 +0100; Hello Paul, Thank you very much indeed for the description of your elaborate VLF reception station. There must have gone a lot of effort in building it. I am looking for a simple way to detect the pr; /rsgb_lf_group-archives/html/rsgb_lf_group/2010-03/msg00569.html (12,379 bytes)
23. Re: LF: Re: 9kHz noise level (score: 1): Author: "Roelof Bakker" <[email protected]>; Date: Tue, 02 Mar 2010 14:11:49 +0100; Hello Paul, Thank you for providing these interesting graphs. Which program do you use for these graphs? I presume that the antenna is directly connected to your soundcard. Is this correct? I am usin; /rsgb_lf_group-archives/html/rsgb_lf_group/2010-03/msg00592.html (10,314 bytes)
24. Re: LF: Re: 9kHz noise level (score: 1): Author: Paul Nicholson <[email protected]>; Date: Sun, 07 Mar 2010 10:52:42 +0000; Could be a good day today for 9kHz tests, the background noise is very low. http://abelian.org/vlf/nb.shtml Now shows the amplitude spectrum when the loop pattern is rotated to null the average beari; /rsgb_lf_group-archives/html/rsgb_lf_group/2010-03/msg00667.html (11,534 bytes)

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