ВС НИИФТРИ, 
664056, Irkutsk, ul. Borodina, 57
tel.. +7 (3952) 46-80-20, (3952) 46-80-60, (3952) 46-06-79;  
fax: +7 (3952) 39-38-48
phone: logp@irk.ru

Central office in Moscow:  VNIIFTRI (in English)

More info here (in Russian)

station RTZ

Main characteristics:

Location                    : Eastern Russia, Irkutsk,
                              52 degr. 26' North , 103 degr. 41' East

Standard frequency          : 50 kHz.

Radiated power              : 10 kW.

Period of operation         : 23 hours per day, 22.00-21.00 UTC,
                              except 00.00-08.00 utc (1 h.earlier when DST)
                              for maintenance:
                              3rd & 4th monday of each month

Coverage                    : 80 degr. - 120 degr. East
                              45 degr. - 75 degr. North

Hourly transmission schedule

 m s m s
00:00 - 04:55 -- A1X signals and identefication of DUT1+dUT1
05:00 - 06:00 -- station's identefication is sent by Morse Code
06:00 - 58:55 -- N0N signals ( no modulation )
59:00 - 59:55 -- A1N signals

station RID

(Currently off the air due to budget cut )

Main characteristics

Location             : Eastern Russia, Irkutsk,
                       52 degr. 26' North , 104 degr. 02' East

Transmitting site    : Angarsk

Standard frequencies : 5004, 10004, 15004 kHz.

Radiated power       : 5 kW.

Period of operation  : 24 hours per day,  except 00.00-08.00 utc
                       for maintenance as below:
        on 5004  kHz : 2nd tuesday, 3rd monday of each month
        on 10004 kHz : 3rd tuesday, 3rd monday of each month
        on 15004 kHz : 2nd tuesday, 3rd monday of each month

Coverage             : 20 degr. - 60 degr. East
                       40 degr. - 70 degr. North

Time signals are given every second of 20 ms duration with a frequency
of 10 Hz.
Second pip is extended to 40 ms.
Minute pip is extended to 500 ms.

Hourly transmission schedule

  m  s    m  s
00:00 - 09:55   --  A1N signals or DXXW signals
10:00 - 17:55   --  N0N signals ( no modulation )
18:00 - 19:00   --  transmitter is signed off
19:00 - 20:00   --  station's identefication is sent by Morse Code
20:00 - 29:00   --  A1X signals and identefication of DUT1+dUT1
30:00 - 39:55   --  A1N signals or DXXW signals
40:00 - 47:55   --  N0N signals ( no modulation )
48:00 - 49:00   --  transmitter is signed off
49:00 - 50:00   --  station's identefication is sent by Morse Code
50:00 - 59:55   --  A1X signals and identefication of DUT1+dUT1

Note  :  time signals of  56th , 57th , 58th  and 59th second after
         (5n-1)th minute (n=1,2,3,...,12) is omited.

station RWM

Main characteristics

Location             : Russia, Moscow
                       55 degr. 44' North , 38 degr. 12' East

Standard frequencies : 4996, 9996 and 14996 kHz

Radiated power       : 5kW on 4996 and 9996 kHz; 8kW on 14996 kHz

Period of operation  : 24 hours per day,  except 08.00-16.00 msk
                       for maintenance as below:
        on 4996  kHz : 1st wednesday of the 1st month of quater;
        on 9996  kHz : 2nd wednesday of the 1st month of the quater;
        on 14996 kHz : 3rd wednesday of each odd month;

Coverage             : 20 degr. - 120 degr. East
                       35 degr. - 75 degr. North

Time signals A1X are given every second of 100 ms duration with a fre-
quency of 1 Hz. Minute pip is extended to 500 ms.

Hourly transmission schedule

  m  s    m  s
00:00 - 07:55   --  MON signals (no modulation)
08:00 - 09:00   --  transmitter is signed off
09:00 - 10:00   --  station's identefication is sent by Morse Code
10:00 - 19:55   --  A1X signals and identefication of DUT1+dUT1
20:00 - 29:55   --  DXXXW signals
30:00 - 37:55   --  N0N signals (no modulation)
38:00 - 39:00   --  transmitter is signed off
39:00 - 40:00   --  station's identefication is sent by Morse Code
40:00 - 49:55   --  A1X signals and identefication of DUT1+dUT1
50:00 - 59:55   --  DXXXW signals