diario SWL I-56578 Antonio

HF utility & milcomm signals
tony.anselmi@gmail.com

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30 September 2017

Chinese PSK-2 ...and errors in its baud rate measurement

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Some days ago I had a talk (...email exchange) with my friend KarapuZ about the way to get correct measurements of the baud rate in noisy ...

Nokia M/90 (Panasonic CF-U1): FSK 301-151Bd 780Hz shift

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I reported Nokia M/90 / Panasonic CF-U1 301-401Bd/780Hz in this post , this time I copied the 301-151Bd waveform on 10737.7 KHz (cf) aroun...

error in measuring a PSK baud rate

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25 September 2017

5400 KHz (cf) 2380Bd mix-mode burst waveform
(by: i56578, ANgazu, KarapuZ, Rapidbit)

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This is a very strange burst waveform modem that can be heard on 5398.2 KHz/USB (the central tone is exactly at 4000.0 Khz) at diff...
1 comment:
22 September 2017

TE-204 (Rockwell AN/USC-11) 75Bd in-band frequency and time diversity HF modem

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TE-204 (AN/USC-11) is most commonly used by Allied Air Forces as an air-to-ground messaging system as well as in ground and naval appl...
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