UNID RTTY (75/850) transmission was received on ~3852 kHz at 00.30z on 20.07.2012 with SINPO=54444:
Such strings have been transmitted continuously:
...
..........//OSN1I(0)/OSN2I(0)/OSN3I(0)/OSN4I(0)/OSN5I(0)/OSN6I(0)//
..........//OSN1I(0)/OSN2I(0)/OSN3I(0)/OSN4I(0)/OSN5I(0)/OSN6I(0)//
..........//OSN1I(0)/OSN2I(0)/OSN3I(0)/OSN4I(0)/OSN5I(0)/OSN6I(0)//
...
Each 2-3 minutes such Stanag 4285-style(?) message:
LEGEND:
I(N) IDLE
B BUSY
BQ BUSY (ARQ)
U UNREADABLE
K TRANSMIT
M REPEAT
N(01-99) RETRANSMIT
AS WAIT
R RECEIVED
C(2-16) CHECK
And then again marker(?) strings as above.