Long time I have not seen the 3 frequencies simultaneously on my receiver
Antenna is my LPDA bearing 300 deg (Toronto, Canada area)
Again the Russians are playing with their polytone station today
Frequencies are similar to the ones active on 25, Oct 2014 for QPSK/MFSK16 & XPA2 sessions
RAF Volmet is active on 16557.0 USB
Modulation was pretty noisy as shown on the above screenshot
rebroadcast or operator error ?
Today the experimental Russian QPSK/MFSK16 waveform was active again:
* 2 minutes of idling 1866.65 Bd dQPSK, showing a gap at ~1380Hz + mFSK-16 datas (~16.5Bd or ~32.5Bd / 175Hz spacing), offset ~1850Hz
The interesting thing is that XPA2 polytone station was active between 1300z & 1350z (10min skeds) on the exact frequencies used this morning by the QSPK/MFSK16!
Sep, 2014 logs for the Russian QPSK/MFSK16:
Some bursts visible on my local RX near that freq, switching to a Japanese remote RX gave much better results..
2x Chinese operators, plain voice chat + unid selcal system (as described above) + unid digimode, too weak to get analyzed correctly i’m afraid.
I think the selcal is the same as shown on this webpage: sferix.myweb.hinet.net/hfasia/files/PRC_FSK_300Bd.html