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Re: Re: LF: 8969.9900Hz

from [uwe-jannsen] [Permanent Link][Original]
To: [email protected]
Subject: Re: Re: LF: 8969.9900Hz
From: [email protected]
Date: Wed, 01 Jan 2014 18:41:38 +0100
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Hi Wolf,
congr to your PA construktion. hopefully to see the scheme one day.

Stefan notices some glitches in/on my QRG. Ill give him the opportunity to analyze the carrier. I switch to 8969.997Hz
in some seconds.
GL and hny
Uwe/dj8wx 

Von: [email protected]
Gesendet: 01.01.2014 18:00
An: [email protected]
Betreff: Re: LF: 8969.9900Hz

Hello Uwe,

Aahh... a big signal on 8969.99 Hz now.. over 10 dB SNR in 0.2 mHz receiver bandwidth.
What a pity, I should have familiarized myself with Markus' OPDS when there was more time :)

Utterly off-topic: photo of the MF-PA "under construction" ..

http://www.qsl.net/dl4yhf/mf/MF_PA_Test_mit_Siedewasserkuehlung.JPG


73 and HNY all,
  Wolf .

Am 01.01.2014 15:39, schrieb Stefan Schäfer:
Hello Uwe,

Very nice! I'm watching and stay quiet on all frequencies :-) Ah, but i may do a local test on VLF. But the SNR will be moderate...

73, Stefan/DK7FC

Am 01.01.2014 13:00, schrieb [email protected]:
Markus, Stefan and all,

the TX will be switched on at 1310MEZ somewhat earlier as promised for late afternoon.
mode Op-4H using SpecLab GPS disziplined.
GL
Uwe/dj8wx

Von: [email protected]
Gesendet: 01.01.2014 02:58
An: [email protected]
Betreff: RE: VLF: 8970 Hz Op-4H

Congrats Markus and Stefan!

Great news, well done.

 

Am I interpreting correctly in the following?

17dB SNR with FFT bin width of ~ 69uHz, from ~~20uW ERP (9 meter antenna) at 175km?

 

I will be celebrating VLF Opera tonight.

 

Happy New Year,

 

Jim AA5BW



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