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Re: LF: 8.970khz

To: [email protected]
Subject: Re: LF: 8.970khz
From: Stefan Schäfer <[email protected]>
Date: Wed, 21 Mar 2012 11:46:20 +0100
In-reply-to: <trinity-c234f75b-b38a-45c8-ac27-41171083739c-1332311118929@3capp-webde-bs48.dlan.cinetic.de>
References: <trinity-c234f75b-b38a-45c8-ac27-41171083739c-1332311118929@3capp-webde-bs48.dlan.cinetic.de>
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Hello Marco,

Maybe you can make a recording of 0...24 kHz or 0...48 kHz for some minutes? Would be interesting to see a wideband spectrogram from your battery operated system now. I will also do receive experiments on VLF today from the forest. The WX is sooooooooo fine :-)

Hopefully i can receive Henny then.

73, Stefan7DK7FC

Am 21.03.2012 07:25, schrieb [email protected]:
 Hello Henny,
puh not easy receiving something on this low frequency. Attached my screenshots from today. All timestamps are in UTC. The battery of my Netbook was empty around 19:00 CET local time.
 
qrs600_8970_dd7pc_.jpg -> QRS600   until 19:00 CET and it seems the signal dispapered in the last hour which fits when you switched off your TX...
qrs6000_8970_dd7pc.jpg -> the QRS6000 until 19:00CET showing a good signal on your QRG, but unfortunately nothing to see that you switched off your TX! Maybe in this mode it was not running long enough and not showing so far the time after 18:ooCET when you switch off ???
 
There are some other signals which worries me. Also nothing from Uwe on 8970.022.
 
I think still not 100% sure i received really your signal or if i see here some artifact. Will try to improve my receiving setup to allow monitoring over a couple of days continually. Let's see then.
 
thanks
vy73
Marco
DD7PC
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