Technology / Radar / In-Band Racon: A racon which transmits in the marine radar frequency band, e.g., the 3-centimeter band. The transmitter sweeps through a range of frequencies within the band to insure that a radar receiver tuned to a particular frequency within the band will be able to detect the signal. See cross?band racon.
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Technology / Radar / Racon: Radar beacon which, when triggered by a ship's radar signal, transmits a reply which provides the range and bearing to the beacon on the ppi display of the ship. The reply may be coded for identificat MORE
Technology / Radar / Cross-Band Racon: A racon which transmits at a frequency not within the marine radar frequency band. To be able to use this type of racon, the ship's radar receiver must be capable of being tuned to the frequency of th MORE
Science / Astrology / Cauda Draconis: From the Latin, literally dragon's tail; synonymous with the Moon's south node. MORE
Technology / Radar / In-Band Racon: A racon which transmits in the marine radar frequency band, e.g., the 3-centimeter band. The transmitter sweeps through a range of frequencies within the band to insure that a radar receiver tuned to MORE
Science / Astrology / Caput Draconis: From the Latin, literally dragon's head; an older term for the Moon's North Node. MORE