The tags defined on this page will render in various nautical charts.
This page defines tags and values for Radio Station objects.
Where more than one value applies, the tag value should be a semi-colon separated list.
Category (CATROS)
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seamark:radio_station:category
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Definition
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Rendering
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Circular (non-directional) marine or aero-marine radiobeacon
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omnidirectional
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A radio station which need not necessarily be manned, the emissions of which, radiated around the horizon, enable its bearing to be determined by means of the radio direction finder of a ship.
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Directional radiobeacon
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directional
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A special type of radiobeacon station, the emissions of which are intended to provide a definite track for guidance.
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Rotating pattern radiobeacon
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rotating_pattern
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A special type of radiobeacon station emitting a beam of waves to which a uniform turning movement is given, the bearing of the station being determined by means of an ordinary listening receiver and a stop watch. Also referred to as a rotating loop radiobeacon.
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Consol beacon
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consol
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A type of long range position fixing beacon.
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Radio direction-finding station
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rdf
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A radio station intended to determine only the direction of other stations by means of transmission from the latter.
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Coast radio station providing QTG service
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qtg
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A radio station which is prepared to provide QTG service, that is to say, to transmit upon request from a ship, a radio signal, the bearing of which can be taken by that ship.
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Aeronautical radiobeacon
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aeronautical
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A radio beacon designed for aeronautical use.
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Decca
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decca
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The Decca Navigator System is a high accuracy, short to medium range radio navigational aid intended for coastal and landfall navigation.
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Loran C
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loran
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Loran-C is a low frequency electronic position fixing system using pulsed transmissions at 100 Khz.
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Differential GPS
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dgps
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A radiobeacon transmitting DGPS correction signals.
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Toran
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toran
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Toran is an electronic position fixing system used mainly by aircraft.
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Omega
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omega
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Omega is a long-range radio navigational aid which operates within the VLF frequency band. The system comprises eight land based stations.
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Syledis
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syledis
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Syledis is a ranging position fixing system operating at 420-450MHz over a range of up to 400Km.
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Chiaka (Chayka)
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chiaka
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Chiaka is a low frequency electronic position fixing system using pulsed transmissions at 100 Khz.
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Public communication (for conversations)
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public_communication
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Public communication (for conversations)
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Commercial broadcast
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commercial_broadcast
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Commercial broadcast.
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Facsimile transmission
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facsimile
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Facsimile transmission.
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Time signal
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time_signal
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Time signal.
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Physical AIS
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ais
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An AIS radiobeacon on a seamark that reports its own position
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Synthetic AIS
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s-ais
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An AIS radiobeacon that transmits the position of a seamark, but where the transmitter is elsewhere.
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Virtual AIS (IALA function unknown)
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v-ais
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An AIS radiobeacon that transmits the position of a virtual aid to navigation. No physical seamark is present at the this location.
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Virtual AIS (North Cardinal Mark)
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v-ais_north_cardinal
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An AIS radiobeacon that transmits the position of a virtual north cardinal mark.
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Virtual AIS (South Cardinal Mark)
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v-ais_south_cardinal
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An AIS radiobeacon that transmits the position of a virtual south cardinal mark.
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Virtual AIS (East Cardinal Mark)
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v-ais_east_cardinal
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An AIS radiobeacon that transmits the position of a virtual east cardinal mark.
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Virtual AIS (West Cardinal Mark)
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v-ais_west_cardinal
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An AIS radiobeacon that transmits the position of a virtual west cardinal mark.
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Virtual AIS (Port Lateral Mark)
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v-ais_port_lateral
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An AIS radiobeacon that transmits the position of a virtual part lateral mark.
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Virtual AIS (Starboard Lateral Mark)
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v-ais_starboard_lateral
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An AIS radiobeacon that transmits the position of a virtual starboard lateral mark.
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Virtual AIS (Isolated Danger Mark)
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v-ais_isolated_danger
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An AIS radiobeacon that transmits the position of a virtual isolated danger mark.
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Virtual AIS (Safe Water Mark)
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v-ais_safe_water
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An AIS radiobeacon that transmits the position of a virtual safe water mark.
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Virtual AIS (Special Purpose Mark)
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v-ais_special_purpose
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An AIS radiobeacon that transmits the position of a virtual special purpose mark.
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Virtual AIS (Emergency Wreck Mark)
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v-ais_wreck
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An AIS radiobeacon that transmits the position of a virtual emergency wreck mark.
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