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LF: Re: VLF 29501, signal?

from [jrusgrove] [Permanent Link][Original]
To: <[email protected]>
Subject: LF: Re: VLF 29501, signal?
From: <[email protected]>
Date: Wed, 5 Mar 2014 07:40:56 -0500
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Paul

Believe Dex W4DEX may have been transmitting at the time. Might check with him 
for verification.
Jay W1VD WD2XNS WE2XGR/2 WG2XRS/2
----- Original Message ----- From: "Paul Nicholson" <[email protected]> 
To: <[email protected]>
Sent: Wednesday, March 05, 2014 4:10 AM
Subject: LF: VLF 29501, signal?



Dabbling with a spectrogram at 29501 Hz and back-dating it a
couple of days turned up this

 http://abelian.org/vlf/tmp/29501_140302a.gif

Apparently a signal, approx 2014-03-03 02:00 to 07:00 UT.

The timing corresponds with Bob Raide's Morse transmission on
29499 and I wondered if it was a sideband but there is nothing
showing on the LSB at 29497 Hz.

 http://abelian.org/vlf/tmp/29501_140302b.gif

I'm a little bit puzzled by this.  It's too strong anyway to
be a sideband of Bob's Morse.  Maybe I have a software fault.

Or was somebody else transmitting that night?

--
Paul Nicholson
--
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