LF: Re: VLF 29501, signal?

[<jrusgrove@comcast.net>]

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" <vlf0403@abelian.org>
To: <rsgb_lf_group@blacksheep.org>
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
> --