Beta is a time signal service in the VLF range in Russia, especially used by military[citation needed] offices.
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The Beta network
Beta consists of the following transmitters: [1]
| Callsign | Transmitter Location | 20.5 kHz | 23 kHz | 25.1 kHz | 25.5 kHz | Map Link |
|---|---|---|---|---|---|---|
| RJH69 | Vileyka VLF transmitter near Molodechno (Belarus) | x | x | x | x | 54°27′44″N 26°46′09″E / 54.462356°N 26.769218°E |
| RJH77 | Archangelsk | x | x | x | x | 64°21′38″N 41°34′07″E / 64.360491°N 41.568489°E |
| RJH63 | Krasnodar | x | x | x | x | 45°24′14″N 38°09′20″E / 45.403904°N 38.155689°E |
| RJH99 | Nizhny Novgorod (former German Goliath transmitter) | x | x | x | x | 56°10′14″N 43°56′25″E / 56.170596°N 43.940334°E |
| RJH66 | Bishkek (Kyrgyzstan) | x | x | x | x | 43°04′00″N 73°39′00″E / 43.066667°N 73.65°E |
| RAB99 | Khabarovsk | x | x | x | x | 48°30′00″N 134°52′00″E / 48.5°N 134.8667°E |
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.
See also
References
- ^ Marten, Michael (2007) (in German). Spezialfrequenzliste 2007/08, band 2. Siebel Verlag. p. 36. ISBN 978-3-88180-665-7.
Further reading
- VLF radio networks information
- The Russian VLF time-signal stations, “Beta”, by Trond Jacobsen, with detailed transmission format information.
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