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Re: LF: EbNaut on LF

from [Domenico IZ7SLZ] [Permanent Link][Original]
To: "[email protected]" <[email protected]>
Subject: Re: LF: EbNaut on LF
From: Domenico IZ7SLZ <[email protected]>
Date: Sat, 22 Jul 2017 12:35:47 +0200
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Hello, LF

Stefan here's  your decode at IZ7SLZ:

Freq.=137.495 kHz :  2017-07-20_21:59:30 +30 s
found rank 0 ber 5.1339e-02 Eb/N0 11.1 M -1.503561646e+03
[MY STATION SURVIVED THE SAFETY INSPECTION]
ps [  0    0    0    0    0]
carrier phase: 0.8 deg
carrier Eb/N0: 21.6 dB
carrier Es/N0: 11.79 dB
carrier S/N: 45.29 dB in 446.4 uHz, 11.79 dB in 1Hz, -22.19 dB in 2.5kHz
bits per hour: 375.6
Shannon capacity: 14430.4% bits/hour
Shannon efficiency: 2.6%

See also attached the phase and squared spectrum plot.
Seems that transmission has been stopped before the end of EbNaut sequence.

Glad that you passed successfully the safety inspection and that you can continue the experiments from that locations.

I attach  some related posters for the shacks (also for mine)  😁😀.


My Auto-EbNaut grabber is again online. It was necessary to made a restart due to the storage memory full. Maybe some operators wants to test Ebnaut on LF this weekend ?
There will be some transmissions from me after TX antenna maintenance. I will announce the transmissions later on.


73 , Domenico IZ7SLZ





On 21 July 2017 at 13:40, DK7FC <[email protected]> wrote:
Thanks for the fast decode Riccardo :-)

What happend? A few months ago the institutes director announced a safety inspection for the wohle institute, electricity and so on. I feared that in the worst case this could be the end of my project. But it all worked well! We put quite some effort in improvements here.
The future is never safe, in  that world, you never know how long things will continue. But at least for my radio projects there is some more time now to continue. I already ordered parts for the next VLF/ULF ideas!

73, Stefan


Am 21.07.2017 01:50, schrieb Riccardo Zoli:
Hi Stefan, LF

What's happened?? :-))


All the best

GN 73 DE IW4DXW



Riccardo


2017-07-20 23:43 GMT+02:00 DK7FC<[email protected]>:
   
Hi LF,

I'd like to send a special message in EbNaut on LF soon:
8K19A, CRC16, 41 characters, 1 sec symbol length starting 22 UTC on 137.495
kHz.

Reports welcome. The message is NO secret :-)

73, Stefan

     


Attachment: Screenshot from 2017-07-22 11:20:40.png
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Attachment: national-safety-safety-posters.jpg
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Attachment: workplace-safety-posters-office-safety.jpg
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Attachment: electrical-safety-electrical-outlets.jpg
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Attachment: safety-quotes-safety-posters.jpg
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