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DM-0086

Description

Driver for Ashtech Z12 GPS receiver.
Driver to be used to obtain raw GPS pseudo-ranges and various GPS broadcast data from the GPS receiver.
At present, the (binary) position data messages are not decoded.

Note. See also the driver descriptions for the Ashtech ADU2 Raw Data and Ashtech G12 GPS Board.


Driver Information

DriverAshtech Z12 Raw Data (Port A)Interface TypeSerial Driver Class TypeTerminated <LF>
UTC Driver (question) NoInput / OutputInput (two-way)ExecutableDrvAshtech.exe
Related Systems
Related Pages



Interfacing Notes

It is important that the wiring of the cable between the Ashtech Z12 and the COM port is bi-directional, i.e. allows two-way data transfer, so that the Qinsy driver can request new ephemerides from the receiver. 


System Configuration

The Ashtech Z12 GPS receiver can be configured for use by Qinsy by using the Screen 4 Mode Control.

INTERVAL [001.0] defines output rate of real-time MBEN (measurement) files;

MIN SVS [3] as well as ELEV MASK [00°] influence number of sent MBEN files.

SNAV (ephemeris data) files are to be output every 15 minutes [default].

PORT A/B (whichever is connected to the PC) must be configured as follows:

NMEA

OFF

BAUD RATE   nnnnn  (as high as possible)

REAL TIME

ON


Options (MEASUREMENTS OUTPUT ON PORT A/B) should be configured as follows:

MBEN

ON

BINARY format


PBEN

OFF

DBEN

OFF

SNAV

ON

EPB

OFF

SALM

OFF



RS-232 cable with 09-pin connection can be configured for handshake by connecting 7 RTS and 8 CTS;

RS-232 cable with 25-pin connection can be configured for handshake by connecting 4 RTS and 5 CTS.


Drivers IO Notes

Required command line parameter for using DrvAshtech for Ashtech Z12 receivers is "Z12". 

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