Dug: Gps/Utc Time Difference - ashtech DG16 Reference Manual

Ellipsoid
International 1924
South American 1969
World Geodetic System 1972
(WGS-72)
World Geodetic System 1984
(WGS-84)
Example
Enter the following command to select New Zealand Geodetic Datum 1949 for
position computation:
$PASHS,DTM,GEO
You can view the current reference datum selection with the $PASHQ,PAR
command and checking the DTM field.

DUG: GPS/UTC Time Difference

$PASHQ,DUG,[c1]
This command queries the time difference between UTC time and GPS time; c1 is
the optional port designator for the output of the response. If a port is not specified,
the receiver sends the response to the current port.
$PASHR,DUG
The response message is output in the format:
$PASHR,DUG,<Binary Data String + Checksum>
Table 6.17 outlines the binary data string parameters.
Binary Type
unsigned short 2
unsigned short 2
unsigned short 2
Receiver Commands
Table 6.16. Predefined Ellipsoids
a (metres)
6378388.0 297.00
6378160.0 298.25
6378135.0 298.26
6378137.0 298.257223563
DEFAULT SETTING
DTM—WGS-84
Table 6.17. $PASHR,DUG Format
Size
Reference week
Reference time
GPS-UTC time (seconds)
1/f
0.00336700336700
0.00335289186924
0.00335277945417
0.00335281066475
Content
f
109