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Category NAVIGATION
Manufacturer RHOTHETA

RT-500-M Radio Direction Finder

NAVIGATION
RHOTHETA
Themys part number: 1700006
Navitron part number: RT-500-M


The RT-500-M operates between 118 and 470 MHz, including COSPAS-SARSAT (CP-SS) and all other V-UHF international distress frequencies. MOB-functionality for crew safety is a standard feature. Extended V-UHF air bands support cooperation with civil and military airborne forces, and the extended UHF FM band covers LMR, PMR and LPD radio frequencies, often used by smugglers and pirates. Scan functions allow creating a scan list, scan all 19 CP-SS channels, or scan multiple SAR frequencies sequentially (CP-SS…121.5…243.0). Additionally it decodes CP-SS data from an emergency beacon and thereby displays the beacon’s ID, its latitude-longitude location, as well as direction and distance to the beacon.

The RT-500-M calculates the bearing to an incoming radio signal with an accuracy of 5° RMS. Standard serial, NMEA, and Ethernet interfaces allow integration with ECDIS systems, sharing DF bearing and location data in real time. The installation of the light weight compact antenna (AU) system requires no RF cables. A distance of 100 m between AU and Display Control Unit (DCU) is no problem.

The RT-500-M direction finding system is ideal for SAR, Coast Guard, and Law Enforcement organizations, easy to install on any size of vessel and practically maintenance free.
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