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Total 2 documents matching your query.

1. LF: ELF (score: 1): Author: "mal hamilton" <[email protected]>; Date: Sat, 28 May 2011 16:47:21 +0100; ELF I have been observing the spectrum 0 - 200 Hertz. Very clear area from 0 - 42 Hz Carrier at 50 Hz mains, clean -73 dB but what appears to be data acty from 50 - 104 Hz with 2nd mains harmonic at; /rsgb_lf_group-archives/html/rsgb_lf_group/2011-05/msg00469.html (8,271 bytes)
2. LF: ELF (score: 1): Author: "Johan Bodin" <[email protected]>; Date: Fri, 10 Sep 1999 18:16:42 +0200; I found this link on the ndblist email reflector: http://www.fas.org/man/dod-101/navy/docs/scmp/part07.htm 137 kHz can be considered "microwaves" in comparison... 73 de Johan, SM6LKM; /rsgb_lf_group-archives/html/rsgb_lf_group/1999-09/msg00029.html (7,606 bytes)

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