AW: LF: VLF activity/KL7L

[uwe-jannsen@kabelmail.de]

Laurence,

taking Paul´s email conc 8270Hz activity as a trigger:

could the waterfall scroll interval  of your SL grabber be set somewhat higher so a three hours  transmission causing evt signs of abt 30min or less gets the chance to be visible?

Thanks in advance

Uwe/dj8wx

PS.

today I made a first successful 8270Hz rx/tx test in EbNaut mode

using the new SL version 2.90 b6 to record and ebnautx/rx to decode.

 

thanks to Wolfgang and Paul for the progrs.

 

Von: Paul Nicholson <vlf0403@abelian.org>
Gesendet: 24.12.2015 22:32
An: <rsgb_lf_group@blacksheep.org>
Betreff: LF: VLF activity

 

DJ8WX active last night with a very good signal here in Todmorden

http://abelian.org/vlf/fbins.shtml#p=1450983600&b=070&s=sp

I wonder how well this signal would be received in, say
Newfoundland? Only four times further away. I suspect that
if there was a good loop receiver there, the east-to-west
T/A could be achieved.

Uwe's transmission is perfectly timed for the T/A window.

Here's what it looks like in 40uHz

http://abelian.org/vlf/tmp/151224b.gif

S/N is 24.2 dB in that bandwidth.

--
Paul Nicholson
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