M06

Enigma ID	M06
Name	OLX
Frequencies	3280, 5301, 6758, 8141, 14977
Status	Inactive
Voice	N/A
Emission mode	MCW
Location	Czechoslovakia
Activity pages

M06 was run by the Czech Office for Foreign Relations and Information (ÚZSI) under an ITU-registered callsign OLX. Morse code counterpart to S05b. Last heard on 2 August 1997.

Format:

Preamble				Message					Repeat				Outro
VVV DE OLX OLX	117	BT	011	BT	59	BT	96800 20523 ... 46992	AR	BT	59	BT	96800 20523 ... 46992	AR	BT	117	117	117
Callsign	3-figure ID		? - The same each transmission		Amount of 5-figure groups in the message		5-figure single groups			Amount of 5-figure groups in the message		5-figure single groups			3-figure ID
Repeated for 5 minutes	Repeated six times		Repeated twice
	Repeated for 3 minutes

The "VVV DE OLX OLX" intro bit started 5 minutes before the full hour, and was sent at 15 WPM, while the rest of the transmission was 25 WPM. Zero was sent as "T" - a single dash. M06 filled about 50% of the OLX schedule.

M06 transmitted on the following schedule^[1]:

		ID's
UTC	Frequencies	Mon	Tue	Wed	Thu	Fri	Sat	Sun
00:00	3280 kHz 5301 kHz 8141 kHz	317			615
01:00					727
02:00
03:00
04:00							615
05:00	5301 kHz 6758 kHz 11002 kHz	831	543	117	244
06:00				939	261		244
07:00				125	173	879	729
08:00			125		146	261		425
09:00	6758 kHz 8141 kHz 14977 kHz		939				117
10:00		173		173			178	125
11:00		879	246	879				939
12:00		414		414		125		261
13:00						126	382
14:00			261	739		415	215	317
15:00			633		633	543	414	543
16:00			727			317	146
17:00	3280 kHz 5301 kHz 8141 kHz	476	382			476	727
18:00		215	526			526	633
19:00		146	615				615
20:00		425	117	425	117	739		244
21:00		739
22:00
23:00				414		831		382

References

ENIGMA Newsletter #3 (September 1993), p. 10 - read a scanned version here