LF: Re: LF EbNaut transmission from JN64

[VIGILANT Luis Fernández <luis@vigilant.es>]

Ciao Riccardo

Solid copy here and a nice trace in spectrogram

Decoded at 21:00 UTC

carrier S/N 26.88 dB in 558.0 uHz, -5.65 dB in 1Hz, -39.63 dB in 2.5kHz

carrier Es/N0 -2.64 dB

carrier Eb/N0 7.56 dB

info bit period 20.96 seconds

symbol error rate 142/896 = 15.848 %

Es/N0 from symbol errors -3.0 dB

Eb/N0 from symbol errors 7.2 dB

Shannon capacity 1129.1 bits/hour

Shannon efficiency 15.2 %

73 de Luis

EA5DOM

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De: owner-rsgb_lf_group@blacksheep.org [owner-rsgb_lf_group@blacksheep.org] en nombre de Riccardo Zoli [riccardozoli80@gmail.com]
Enviado: jueves, 20 de diciembre de 2018 22:12
Para: LF Group
Asunto: LF: LF EbNaut transmission from JN64

Hi LF.

If you want to try to decode my message tonite, the parameters are as follows:

Start time: 20 Dec. 2100 UTC; last transmission: 21 Dec. 07:00 UTC,

(repeated every 30 min.)

QRG: 137540 Hz

Coding: 8K19A

CRC 4

15 characters

2 sec./sym.

Duration: 29' 52"

250 mW ERP

Reports are welcome!

All the best

73 de Riccardo IW4DXW