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Re: LF: EbNaut LF message announcement

To: [email protected]
Subject: Re: LF: EbNaut LF message announcement
From: DK7FC <[email protected]>
Date: Wed, 12 Dec 2018 13:10:53 +0100
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Hello Luis,

Nice help charts, they should help the newcomers.

Well, i just checked if i can decode my own message from the local LF RX PC. Each message decodes as expected.
Can you show me your decoder settings and send me a .wav file? Is the sr.txt file updated?

73, Stefan

Am 12.12.2018 12:54, schrieb VIGILANT Luis Fernández:

Hi EbNaut

 

Puzzling here trying to decode. Huge signal but no way to decode  L

Tried the 0.3s offset plus 4/Sample Rate but no way. Any other different offsets, even zero

 

BTW. This is my help chart to decode EbNaut https://www.dropbox.com/s/gdy7fqxtk8qukz3/EbNaut%20Decoder%20settings.bmp?dl=0

Complemented with, file export configuration in SpectrumLab https://www.dropbox.com/s/j9le8em2ac89sis/File%20Export%20configuration.bmp?dl=0

and SL file configuration for Markus EBnaut  tools https://www.dropbox.com/s/l4ty8yyi2yetaep/SR%20file%20configuration%20explained.bmp?dl=0

 

Decoding EbNaut is the hard side of the game

 

73 de Luis

EA5DOM

 

De: [email protected] [mailto:[email protected]] En nombre de DK7FC
Enviado el: miércoles, 12 de diciembre de 2018 12:28
Para: [email protected]
Asunto: Re: LF: EbNaut LF message announcement

 

Hi Jay,

Pity. Did you consider the 0.3 second offset?
73, Stefan

Am 12.12.2018 12:07, schrieb [email protected]:

Stefan

 

Surprisingly, I had no copy of your LF EbNaut signal last night. 

 

Jay W1VD 

 

 

----- Original Message -----

From: Markus Vester <[email protected]>

Reply-To: <[email protected]>

Sent: 12/11/2018 4:07:53 PM

Subject: Re: LF: EbNaut LF message announcement



Hi Stefan,

a booming signal here, as usual. Interestingly, simultaneous decoding of VO1NA is pretty much undisturbed, even though ebnaut-rx claims -14.1 dB carrier-based  Eb/N0 due to the increased power in the 115 Hz audio passband.

Unfortunately at this time I can't run autodecoders with the heavier code, the available PC took many minutes on full throttle just to crunch through the flat-phase trials. 

73 and good luck,
Markus

-----Ursprüngliche Mitteilung-----
Von: DK7FC <[email protected]>
An: rsgb_lf_group <[email protected]>
Verschickt: Di, 11. Dez 2018 18:07
Betreff: LF: EbNaut LF message announcement

LF,

Another opportunity for the EbNaut friends:

f = 137.540 kHz
Start time: 11.DEC.2018  20:00 UTC (hourly, including 7 UTC)
Symbol period: 1 s
Characters: 12
CRC bits:
16
Coding 16K21A
Antenna current: 4 A
Duration: 28:48 [mm:ss]



73, Stefan

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