Beta (time signal)
From Wikipedia, the free encyclopedia
Beta is a time signal service in the VLF range in Russia, especially used by military offices.
Contents |
[edit] The Beta network
Beta consists of the following transmitters
- RJH69 in Molodechno (Belarus) [1]
- RJH77 in Archangelsk [2]
- RJH63 in Krasnodar [3]
- RJH99 in Nizhny Novgorod [4]
- RJH66 in Bishkek (Kyrgyzstan) [5]
- RAB99 in Khabarovsk [6]
[edit] Table view of network
The Beta network is best understood in a table, so this table has been created so that the above information can be transistioned to this table.
Callsign |
Transmitter Location |
20.5 khz |
23 khz |
25.1 khz |
25.5 khz |
Map Link |
RJH69 | Molodechno (Belarus) |
x |
x |
x |
x |
|
RJH77 | Archangelsk |
x |
x |
x |
x |
|
RJH63 | Krasnodar |
x |
x |
x |
x |
|
RJH99 | Nizhny Novgorod |
x |
x |
x |
x |
|
RJH66 | Bishkek (Kyrgyzstan) |
x | x | x | x | |
RAB99 | Khabarovsk |
x | x | x | x |
[edit] Frequency usage
These transmitters transmit time information on 25 kHz on a specific schedule. Additional synchronisation signals are transmitted on 20.5 kHz, 23 kHz, 25.1 kHz and 25.5 kHz. These transmitters are also used at times when no time signals are being transmitted to send other coded information.
[edit] See Also
Current network information
Other Russian time signal networks