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
--