W4DEX transmitting 8822 Hz carrier 2014-12-15 20:50
to 2014-12-16 04:00 UT.
Reception at Bielefeld Germany by DL4YHF
http://abelian.org/vlf/tmp/141216a.gif
This confirms a previous reception at 8820 Hz on the 2nd Dec
http://abelian.org/vlf/tmp/141202j.gif
to achieve a new distance record for amateur VLF signal detection
of 6918km.
Average S/N at various times and bandwidths
21:00 to 04:00 in 39.7uHz 11.2dB
21:00 to 03:00 in 46.3uHz 10.4dB
22:00 to 04:00 in 46.3uHz 10.7dB
21:00 to 02:00 in 55.5uHz 9.5dB
22:00 to 03:00 in 55.5uHz 9.9dB
23:00 to 04:00 in 55.5uHz 12.6dB
21:00 to 01:00 in 69.4uHz 7.4dB
22:00 to 02:00 in 69.4uHz 9.0dB
23:00 to 03:00 in 69.4uHz 12.0dB
00:00 to 04:00 in 69.4uHz 11.2dB
21:00 to 00:00 in 92.6uHz 4.2dB
22:00 to 01:00 in 92.6uHz 6.0dB
23:00 to 02:00 in 92.6uHz 11.4dB
00:00 to 03:00 in 92.6uHz 10.4dB
01:00 to 04:00 in 92.6uHz 9.6dB
21:00 to 23:00 in 138.9uHz -6.0dB
22:00 to 00:00 in 138.9uHz 2.2dB
23:00 to 01:00 in 138.9uHz 9.8dB
00:00 to 02:00 in 138.9uHz 9.5dB
01:00 to 03:00 in 138.9uHz 8.6dB
02:00 to 04:00 in 138.9uHz 7.1dB
S/N and phase in 1 hour steps, 278uHz
21:00 5.2dB -107.8
22:00 2.1dB
23:00 3.9dB -147.7
00:00 6.2dB -146.1
01:00 7.3dB -174.4
02:00 4.2dB -134.5
03:00 3.8dB 175.4
--
Paul Nicholson
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