GPSM001
OEM GPS Receiver Module
08
09
10
11
12
13
14
15
16
17
18
19
20
Everest India 1956
Everest Pakistan
Everest W. Malaysia and Singapore 1948
Geodetic Reference System 1980
Helmert 1906
Hough 1960
Indonesian 1974
International 1924 & Hayford
Krassovsky 1940
Modified Airy
6377301.243
6377309.613
6377304.063
6378137
6378200
6378270
6378160
6378388
6378245
6377340.189
6378155
300.8017
300.8017
300.8017
298.257222101
298.3
297
298.247
297
298.3
299.3249646
298.3
298.26
298.257223563
Modified Fischer 1960
WGS 1972
WGS 1984
6378135
6378137
Table 19 Ellipsoid models
Example:
$PXEMSGS,12,-0.148,0.096,0.122*44 (set)
$PXEMRGS,a,12,-0.148,0.096,0.122*08(response to set: a – action status: A = success; V
= failure)
see also Exhibit A for further examples
LP – Power Save Mode
This command sets the receiver in Power Save mode. To go back to the Active mode, users should send any valid
NMEA command to the receiver. Do not toggle the ON/OFF pin to go to the Active Mode if a NMEA LP command is
used to switch to the Power Save mode
$PXEMaLP*hh
Name
Message ID
Example
$PXEMaLP
Units
Description
Proprietary LP protocol header, a-mode (S = set;
R = response)
<CR><LF>
End of message termination
Table 20 LP Data format
Example:
$PXEMSLP*4F (set)
$PXEMRLP,a*23
(response to set: a – action status: A = success; V = failure)
TR – Transparent Mode
With this type of command an API function call as defined in the Standard and Advanced API Function Calls documents
are passed through the NMEA interface. This can be a query, set, and response type of command.
$PXEMaTR,c..c,x..xx, .., x..x*hh
Example:
$PXEMQTR,SQCS*6E
$PXEMRTR,SQCS,NAV_OK,GPS Time of Week,Channel status for satellite 1, … Channel
status for satellite n*4F
(response to the channel status query)
See Exhibit B for detailed information on the API function calls
DS031-2 Jan ‘04
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