It's good to get  these reports.  Many thanks.
The daytime sig is visible on your spectrogram though it dips
about 1600 ut.  Another transmission has been added at 0900
for further entertainment.

73
Joe

On Tue, 9 Jan 2018, Paul Nicholson wrote:

VO1NA wrote:

28 Dec. 2100 utc, 16K21A, CRC-8, one character,
544 symbols, 1 minute each,
8270.0075 Hz.

Twelve repeats and often quite a good daytime carrier
in between.