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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*LF\:\s+\[500\s+\-\s+QSB\s*$/: 2 ]

Total 2 documents matching your query.

1. Re: LF: [500 - QSB (score: 1): Author: John Andrews <[email protected]>; Date: Fri, 07 Sep 2007 09:29:48 -0400; Mike, I have some plots of the carrier strength of a 516 kHz aero beacon taken at a distance of 580 km. One would cover the daytime period, and the other would cover sunset until early evening. They; /rsgb_lf_group-archives/html/rsgb_lf_group/2007-09/msg00258.html (9,555 bytes)
2. LF: [500 - QSB (score: 1): Author: "Mike Dennison" <[email protected]>; Date: Fri, 07 Sep 2007 14:05:46 +0100; Does anyone have a spectrogram screen shot of 500kHz signals showing the QSB period and approximate depth? This could be CW or QRSS, but I am especially interested in seeing how QRSS is affected by f; /rsgb_lf_group-archives/html/rsgb_lf_group/2007-09/msg00259.html (8,552 bytes)

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