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GPS TIMING RECEIVERS These are GPS receivers which are optimised for timing purposes. Usually they will deliver a precisely timed pulse once per second (1pps). The time of day is read from the normal NMEA data sentence.
To assist your choice, please see this comparison-chart

VP-88T GPS Timing Receiver -Weatherproof construction -32 Channels -Input power 8 ~ 35 V -RS-232 NMEA Daten -1 PPS +/-100 nS -Update Rate 1 sec. continuous -Includes mounting stand
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| GR-422S GPS Timing Receiver -Weatherproof construction -20 Channels -Input power DC 8 ~ 35 V -RS-422 NMEA Daten -1 PPS +/-1 Mikrosekunde -Sensitivity: -159 dBm -Optional stainless mount
Datenblatt | 
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