Otakadoyayama Transmitter

Otakadoyayama Transmitter (おおたかどや山標準電波送信所, otakadoyayama-hyoujyundenpa-soushinjyo) is an LF-time signal transmitter at Tamura-City, Fukushima-ken, Japan used for transmitting the time signal JJY on 40 kHz. The Otakadoyama site is one of two JJY transmitters, another is the Haganeyama site.

Antenna of Otakadoyayama Transmitter

Summy[1][2]
  • NAME：NICT Otakadoyayama LF station
  • Location：Summit of Mt. Otakadoya, Tamura-City, Fukushima-ken
  • Elevation：about 790m
  • Latitude：37°22'21.0"N
  • Longitude：140°50'56.0"E
  • License：NICT
  • Station purpose：Transmitting the official Japanese government frequency standards and time signal
  • Frequency form：250H A1B
  • Frequency：40kHz
  • Antenna power：50kW（Antenna efficiency: about 45%）
  • Antenna form：Umbrella type 250m high
  • Operation time：continuously
  • Operation start：1999/06/01
  • Range：About 1,000 km
  • Transmission method :
    See also: JJY

See also

References
  1. "License Information of Transmitter Station" (in Japanese). MIC. Retrieved 2020-06-28.
  2. "おおたかどや山標準電波送信所" (in Japanese). NICT. Retrieved 2020-06-28.

37.367°N 140.850°E / 37.367; 140.850

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