Multi-Tech Systems CDMA Wireless Modem - Manual (Page 92)

Chapter 13 – Position Determination (GPS) AT Commands
Multi-Tech Systems, Inc. CDMA Wireless AT Commands - PN S000294C 92
Position Determination Start Session Result +WPDSS
Description: This unsolicited command returns the position determination data.
Values:
<lat> & <lon>
32-bit integer
<time>
64-bit integer
<fix>
2: 2D fix
3: 3D fix
<mask>
bit 0: altitude valid
bit 1: heading valid
bit 2: velocity valid (e.g. 6 means heading and velocity valid)
<altitude>
16 bit integer
<altitude uncertainty>
byte
<heading>
16 bit unsigned integer
<heading uncertainty>
byte
<velocity horizontal>
16 bit unsigned integer
<velocity vertical>
8 bit signed integer
<velocity uncertainty>
byte
Syntax:
Response Syntax: +WPDSS: <lat>,<lon>,<time>,<uncertainty>,<fix>,<mask>,<alt>,<alt_u>,
<heading>,<ang_u>,<vh>,<vv>,<v_u>
Command Possible Responses
AT+WPDSS=”P”
Note: Ask for position only. OK
+WPDSS:#,#,#,#,2
Note: Unsolicited result with position only.
AT+WPDSS=”PV”
Note: Ask for position and velocity. OK
+WPDSS:#,#,#,#,2,6,#,#,#,#,#
Note: Unsolicited result with heading and velocity.
AT+WPDSS=”PH”
Note: Ask for position and height. OK
+WPDSS:#,#,#,#,3,3,#,#,#,#,#
Note: Unsolicited result with altitude and heading.