Novatel OM-20000041 用户手册
C
Commands Summary
MiLLennium GPSCard Software Version 4.50 Command Descriptions Manual Rev 1
89
DATUM
This command permits you to select the geodetic datum for operation of the receiver. If not set, the value is
defaulted to
defaulted to
WGS84
. See Table G-2 in Appendix G for a complete listing of all available predefined datums. See
the
USERDATUM
command for user definable datums. The datum you select will cause all position solutions to be
based on that datum (except
PXYA
/
B
which is always based on
WGS84
).
Syntax:
Example:
datum tokyo
Sets the system datum to Tokyo
NOTE:
The actual datum name must be entered in this command as listed in the
NAME
column of Table G-2.
Also note that references to datum in the following logs use the GPSCard Datum
ID
#:
MKPA
/
B
,
PRTKA
/
B
,
POSA
/
B
and
RTKA
/
B
.
DATUM
option
Syntax
Datum Option
Description
Default
DATUM
any one of 62 predefined
datums
datums
For a complete list of all 62 predefined datums, see Table G-2 in Appendix G.
WGS84
USER
User defined datum with parameters specified by the USERDATUM
command (Default WGS84)
command (Default WGS84)