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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*LF\:\s+60\s+Hz\s*$/: 4 ]

Total 4 documents matching your query.

1. LF: 60 Hz (score: 1)
Author: DK7FC <[email protected]>
Date: Sun, 26 Oct 2014 03:02:32 +0100
Hi Markus, ELF, Oh, maybe you're right. The spectrogram is in 45 mHz and 5 s/pix scroll rate. Attached is the recording in 11 mHz and 30 s/pix, see the long-term average graph, red. No noise blanking
/rsgb_lf_group-archives/html/rsgb_lf_group/2014-10/msg00308.html (15,400 bytes)

2. Re: LF: 60 Hz (score: 1)
Author: "Markus Vester" <[email protected]>
Date: Sun, 26 Oct 2014 10:26:14 +0100
Stefan, my impression was that ELF levels were slightly stronger in daylight; for the 60 Hz "TA slot" this seemed to be during our evening. But the diurnal differences were not large, maybe 2 or 4 dB
/rsgb_lf_group-archives/html/rsgb_lf_group/2014-10/msg00311.html (12,525 bytes)

3. Re: LF: 60 Hz (score: 1)
Author: "Mike Dennison" <[email protected]>
Date: Sun, 26 Oct 2014 11:34:13 +0100
One lambda - isn't that in the near field! Mike, G3XDV
/rsgb_lf_group-archives/html/rsgb_lf_group/2014-10/msg00313.html (13,534 bytes)

4. LF: 60 Hz (score: 1)
Author: "Jean-L. RAULT" <[email protected]>
Date: Thu, 02 Jun 2011 09:51:47 +0200
To whom it might concern ... The US power grid 60 Hz spectral line is also detectable in Europe. See attached spectrogram I recorded with an e-field receiver (1m long vertical whip + FET/BJT cascode
/rsgb_lf_group-archives/html/rsgb_lf_group/2011-06/msg00234.html (8,015 bytes)


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