English
Language : 

GPSM001 Datasheet, PDF (15/20 Pages) rfsolutions.ltd – OEM GPS Receiver Module
OEM GPS Receiver Module
GPSM001
08
Everest India 1956
6377301.243
300.8017
09
Everest Pakistan
6377309.613
300.8017
10
Everest W. Malaysia and Singapore 1948
6377304.063
300.8017
11
Geodetic Reference System 1980
6378137
298.257222101
12
Helmert 1906
6378200
298.3
13
Hough 1960
6378270
297
14
Indonesian 1974
6378160
298.247
15
International 1924 & Hayford
6378388
297
16
Krassovsky 1940
6378245
298.3
17
Modified Airy
6377340.189
299.3249646
18
Modified Fischer 1960
6378155
298.3
19
WGS 1972
6378135
298.26
20
WGS 1984
6378137
298.257223563
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
<CR><LF>
Example
Units
$PXEMaLP
Description
Proprietary LP protocol header, a-mode (S = set;
R = response)
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
©2003 RF Solutions Ltd, www.rfsolutions.co.uk
Tel 01273 898000 Fax 01273 480661
Page 15