AW: LF: VLF activity/KL7L

To:	[email protected]
Subject:	AW: LF: VLF activity/KL7L
From:	[email protected]
Date:	Sun, 27 Dec 2015 12:17:03 +0100
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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 <[email protected]>
Gesendet: 24.12.2015 22:32
An: <[email protected]>
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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LF: VLF activity, Paul Nicholson AW: LF: VLF activity/KL7L, uwe-jannsen <= LF: 8270Hz, uwe-jannsen Re: LF: 8270Hz, Paul Nicholson LF: Some grabber improvements in the end of the year, DK7FC AW: Re: LF: 8270Hz, uwe-jannsen

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