HLA (radio station)

Coordinates: 36°23′15″N 127°21′59″E / 36.38753°N 127.36650°E / 36.38753; 127.36650 (HLA time signal antenna) HLA is a time signal radio station in Daejeon, South Korea, operated by the Korea Research Institute of Standards and Science. Established on November 24, 1984, it transmits a 2 kW signal on 5 MHz (±0.01 Hz[1]). Originally only transmitted for 7 hours per day (01:00–08:00), 5 days per week (M–F),[2] it is continuous as of 2011.[1] There are over 100 users of the signal in Korea.[3]

It broadcasts a time signal similar to that of the WWV and WWVH stations with which it shares a frequency:[1][4]

References

  1. 1 2 3 BIPM (2011-06-20), Time Signals (PDF), retrieved 2011-08-25
  2. International Telecommunication Union (6 October 2010), Characteristics of standard-frequency and time-signal emissions in allocated bands and characteristics of stations emitting with regular schedules with stabilized frequencies, outside of allocated bands, retrieved 2011-08-25 Supplement to Recommendation ITU-R TF.768 “Standard frequencies and time signals”.
  3. List of HLA users (Korean)
  4. National Geospatial-Intelligence Agency (2005), PUB 117: Radio Navigation Aids, pp. 2–17, retrieved 2011-08-25

External links


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