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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*LF\:\s+Cleaning\s+up\s+DCF77\s+junk\s+around\s+74\.55\s+kHz\s*$/: 4 ]

Total 4 documents matching your query.

1. LF: Cleaning up DCF77 junk around 74.55 kHz (score: 1)
Author: "Markus Vester" <[email protected]>
Date: Fri, 6 Dec 2013 00:57:47 +0100
I think I have found a way to eliminate interference from the DCF77 pseudonoise modulation in 74.55 kHz spectrograms. As explained before, the problem is that the phase-modulating PRN sequence carrie
/rsgb_lf_group-archives/html/rsgb_lf_group/2013-12/msg00105.html (24,514 bytes)

2. RE: LF: Cleaning up DCF77 junk around 74.55 kHz (score: 1)
Author: Bob Raide <[email protected]>
Date: Thu, 5 Dec 2013 22:00:17 -0500
Markus; That could most certainly improve things for 73 band use. Especially for those close, as you are to the offending emissions. I am ready to go back to 74 tomorrow anyway. Will continue with QR
/rsgb_lf_group-archives/html/rsgb_lf_group/2013-12/msg00351.html (27,588 bytes)

3. Re: LF: Cleaning up DCF77 junk around 74.55 kHz (score: 1)
Author: "Markus Vester" <[email protected]>
Date: Fri, 6 Dec 2013 10:51:43 +0100
Hi Bob, thanks for the feedback. At this stage, the cancellation procedure is no more than a proof-of-principle, done in postprocesseng on recorded audio. The purpose was more to check if my theory a
/rsgb_lf_group-archives/html/rsgb_lf_group/2013-12/msg00579.html (14,633 bytes)

4. Re: LF: Cleaning up DCF77 junk around 74.55 kHz (score: 1)
Author: Dexter McIntyre W4DEX <[email protected]>
Date: Fri, 06 Dec 2013 08:30:56 -0500
Markus Vester wrote: Well once the wind calms (may be Saturday night) I can put my antenna back up and listen again. I'd be very interested to look for visual signals from you and Dex one of these ni
/rsgb_lf_group-archives/html/rsgb_lf_group/2013-12/msg00580.html (10,904 bytes)


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