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  • Radio beacon
    ... been converted to [[Telemetry|telemetry]] transmitters for [[differential GPS]]. Chains of radio navigation [[Letter beacon]] for marine use are still a ...er ships, while the battery power consumption remains low. Others transmit GPS location and/or other data and therefore act as [[Telemetry|telemetry]] tra
    19 KB (2,829 words) - 14:25, 28 June 2023
  • DGPS
    ... (DGPS) transmits correction information that improves the accuracy of the GPS system, from 15 meters to as good as 10 cm. These transmissions are in the # [http://www.ccg-gcc.gc.ca/CCG-DGPS/Marine-Differential-Global-Positioning-System Canadian Coast Guard DGPS Site]
    8 KB (690 words) - 23:10, 7 September 2017
  • Longwave Utility Stations
    * [[DGPS]] Differential GPS stations. Located in the LW & MW band (283.5 kHz - 325 kHz) along with the
    2 KB (275 words) - 15:38, 5 November 2020

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