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VLF: EbNaut message over 2877 km, DK7FC to RC4HAA

To: [email protected], Андрей Климов <[email protected]>
Subject: VLF: EbNaut message over 2877 km, DK7FC to RC4HAA
From: DK7FC <[email protected]>
Date: Mon, 06 Nov 2017 14:34:26 +0100
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Hello VLF group and RC4HAA team,

I am glad to report about the successful decode of my 1 character EbNaut message on the VLF RX site at RC4HAA.

This is a land path distance of 2877 km,

So far the best DX between Germany and Russia below 9 kHz.

It is my new personal ODX on VLF (the old ODX was just 4 km shorter).

A screenshot of the decoder result as well as the log file is attached. The unexpected good SNR suggests that even longer messages are possible within a single night. Also we need to consider that it was a very noisy night again, with thunderstorms in Spain and Italy.

A new message announcement will follow soon, next time i'm trying 2 characters.

73, Stefan

Am 05.11.2017 17:59, schrieb DK7FC:

Tonite i'm trying to transfer a 1 charcter EbNaut message to RC4HAA:

f = 8270.1000 Hz
Start time: 05.November.2017  16:51:00 UTC
Symbol period: 180 s
Characters: 1
CRC bits: 6
Coding 8K19A
Duration: 12h
Antenna current: 600 mA

If someone else wants to try, dont hesitate...

73, Stefan

Attachment: RC4HAA_VLF_EbNaut_1char.png
Description: PNG image

Attachment: 05_NOV_2321_8270-log.txt
Description: Text document

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