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Re: VLF: First VLF detection DL > EA

from [DK7FC] [Permanent Link][Original]
To: "[email protected]" <[email protected]>
Subject: Re: VLF: First VLF detection DL > EA
From: DK7FC <[email protected]>
Date: Wed, 06 Dec 2017 18:42:17 +0100
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Hi Riccardo,

Wow, that's amazing. 26.5 dB in in 34.7 uHz. We could transfer 100 characters in one night! It will not be that easy on 8270 Hz :-)

Also thanks Markus for the decode.

73, Stefan

PS: How far could this signal travel! We are missing RX stations everywhere!



Am 06.12.2017 18:31, schrieb Riccardo Zoli:
 Hi Stefan VLF,

good decode also in JN64, solid signal as usual, Stefan. Congrats.
I will try to be QRV on 8270 soon.
Many thanks!

73 de Riccardo IW4DXW


Il 05/Dic/2017 22:42, "DK7FC" <[email protected]> ha scritto:
Hello Riccardo,

My congrats to your first VLF message decode! I confirm the message is correct.
You see now that VLF reception is possible from your QTH and you just need to get less noise on 8270 Hz maybe. But the system and frequency+phase stability is there! This weekend there may be a chance to pick up something on 8270...

The night is already a few hours old, so let's try just 4 characters:

f = 17470.1000 Hz
Start time: 05.Dec.2017  21:40:00 UTC
Symbol period: 30 s
Characters: 4
CRC bits: 16
Coding 16K21A
Duration: 08:00 [hh:mm]
Antenna current: 1 A

73, Stefan
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