F5AFY

@bwilson Hi, I know unlocked PLL can do funny things and what you suggest certainly occured in time, but these chirps are so numerous and frequent, and often periodic with a few seconds cycle that it makes very probable an industrial process.

"Fish Hook Swisher" they call it, in this forum discussion :

Somewhere else, I read that it can use 10s or 100s of kilowatts, so shielding these owens and their supplies is not an easy task.

Thanks all for this interesting discussion !

Hi @smg,

It looks like a "Link 11" or Stanag 5511, sent in DSB, so you can use USB or LSB and put the carrier (displayed frequency) in the middle of the middle gap...

73, Terry

Hi, @XPloRR Johan, I upgraded to v1.41, I note that the '+' button allows to zoom beyond Z14 (with unexpected behaviour).

I come back on the CW mode displayed frequency. Usually (and it is the case in the standard Kiwi UI) this frequency is the center of the default bandpass. Just compare on a western Europe Kiwi, the signal of FAV22, the morse teaching station on 6825 kHz (daylight hours), and you will see the difference with QiwiQ...

Nice app. !