Please contact QPS Support if you need to make use of this driver in the future.
Ashtech Xii Gps Receiver Operating Driver For AshtechDescription Driver for Ashtech output sentences, containing Global Positioning System position fix data from Ashtech GG24 Receiver.The driver will decode position data from PASHR,POS, GPRRE and GLRRE sentences.A typical setup could be to use port A to output the position, port B to output the PPS time tag and to use port C to receive differential corrections from a shore station (via a Satel box).
Ashtech Xii Gps Receiver Operating Driver In TheSome specific commands, using the Ashtech PASHS format, have to be sent to the GG24 receiver to enable these user-definable IO options. ![]() See Wiring Diagram 2 for the wiring from receiver port C to the Satel box, which has a 15 pins connector. The Ashtech manual refers to this pulse as the TTT event marker. The signal must be converted by the QPS PPSfix box, via a coax cable, as follows. The BNC connector goes to Fix In of the PPSfix box, the other end of the coax cable must be connected to pin 9 (PPS pulse) and pin 5 (signal ground) of GG24 port A. In order to receive the time tag message, one must split the same PPS signal from port A and feed it back into port B of the Ashtech GG24 receiver, i.e.pin 9 port A (PPS pulse out) to pin 9 port B (Event pulse in) and pin 5 port A to pin 5 port B (Signal Ground). Another user-definable option is the logging of (discarded or all) position data to an ASCII file. Use an Alert Display to setup a Position RMS outside limit raw data alert.
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