20 October 2017

BPSK 4800,9600,19200Bd 6,12,24 KHz (Marine Band)

Other WideBand burst waveforms spotted in HF Marine band: speed 4800, 9600 and 19200 Baud, bandwidth  6, 12 and 24 KHz.

Fig. 1 - 16625.0 KHz/USB
Fig. 2 - 16657.0 KHz/USB
Still uncertain whether these transmissions concern the over-the-air tests of KNLNetworks CNHF (Cognitive Networked HF) system, as they illustrated in their presentation slide of this system (Fig. 3), or perhaps a real-world testbed/implementation.

http://www.hfindustry.com/.../KNL_HFIA-2016_02_17_RAUSTIA.pdf
 Some info about CNHF system can be read in their website.


 
 

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