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Re: VLF: 4th VLF experiment by DK7FC/p

To: [email protected]
Subject: Re: VLF: 4th VLF experiment by DK7FC/p
From: Jacek Lipkowski <[email protected]>
Date: Sat, 3 Apr 2010 15:42:05 +0200 (CEST)
In-reply-to: <38A51B74B884D74083D7950AD0DD85E82A1BBF@File-Server-HST.hst.e-technik.tu-darmstadt.de>
References: <[email protected]><001d01cad190$aa92e590$0901a8c0@lark><841031C22EC944FEB2BB3E1DC237717E@acer3f31164f8b> <[email protected]> <38A51B74B884D74083D7950AD0DD85E82A1BBF@File-Server-HST.hst.e-technik.tu-darmstadt.de>
Reply-to: [email protected]
Sender: [email protected]
I've attached the spectrum around 8969.9 Hz grabbed for 6 hours. You can just see the dash there. The QTH here is Warsaw, KO02MD. ODX 902km!

The whole picture from the grabber is avaliable here:
http://acid.ch.pw.edu.pl/~sq5bpf/ham/vlf/dk7fc_20100403.jpg
The time scale is in local time (UTC+2).

Congratulations Stefan!

VY 73

Jacek / SQ5BPF

ps. unfortunately if you look or listen to noise long enough some of it starts to look like real signals, but especially when looking at the larger spectrum the dash is distinguishable. The dash is from about 10:45-11:00 UTC which fits the dash on DF6NM's grabber nicely. So it does look like a real signal :)


Attachment: grab_small.jpg
Description: JPEG image

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