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1. LF: Re: 15 dB noise drop in 20 minutes (score: 1): Author: "Alan Melia" <[email protected]>; Date: Fri, 22 Jun 2012 00:46:38 +0100; Hi Stefan, this is a function of propagation, I think. It depends on where the interference originates. Because there is virtually no skywave propagation in the "sunrise dip", no noise is propagated; /rsgb_lf_group-archives/html/rsgb_lf_group/2012-06/msg00170.html (12,123 bytes)
2. Re: LF: Re: 15 dB noise drop in 20 minutes (score: 1): Author: Stefan Schäfer <[email protected]>; Date: Fri, 22 Jun 2012 02:03:13 +0200; Alan, What do you think about the remaining signal of DCF39 after the sunset? Is it really DCF39? Or a local QRM line? I once took a recording and reprocessed it here on my PC. I saw there is a local; /rsgb_lf_group-archives/html/rsgb_lf_group/2012-06/msg00366.html (13,062 bytes)
3. Re: LF: Re: 15 dB noise drop in 20 minutes (score: 1): Author: "Alan Melia" <[email protected]>; Date: Fri, 22 Jun 2012 01:47:29 +0100; Hi Stephan, I dont know for certain. It is a long distance I would expect DCF39 to disappear after dawn......I wiuld expect a big drop from the darkness level maybe a return weaker peak "blip" before; /rsgb_lf_group-archives/html/rsgb_lf_group/2012-06/msg00558.html (15,413 bytes)

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