Re: VLF: A message from W4DEX

[Paul Nicholson <vlf0403@abelian.org>]

> Conditions look good for another overnight run.
> What next Paul?

Well, I suppose that 42 chars would be the absolute limit
for lowest noise on the path we have.

42 chars 16K25A CRC16

7.5 second symbols.

Let's also shift the start time a little earlier.
Say 22:15 UT to 07:59 UT.

This will only decode if we have another low noise
night.   Actually last night wasn't completely low
noise - there was a band of thunderstorms along the
US East coast, so the noise peaked on the same bearing
as the signal.

> Around 0600 UT wind gust were around 40 kph causing
> over 100 ma current swings.

Looking at the error map, the signal seemed to deteriorate
a little from about 04:30.

> I moved back to 8270 with a carrier about 1130 UT

W4DEX and VO1NA side by side this afternoon, spectrum
plot from fbins

 http://abelian.org/vlf/tmp/171225a.png

--
Paul Nicholson
--