EB-3531
Specifications are subject to be changed without notice.
Page 21 of 21
Version 1.2.1
Example: Debug Off $PSRF105,0*3F
G). Select Datum ID:106 Selection of datum to be used for coordinate transformations
GPS receivers perform initial position and velocity calculations using an earth-centered earth-fixed
(ECEF) coordinate system. Results may be converted to an earth model (geoid) defined by the
selected datum. The default datum is WGS 84 (World Geodetic System 1984) which provides a
worldwide common grid system that may be translated into local coordinate systems or map Datum.
(Local map Datum are a best fit to the local shape of the earth and not valid worldwide.)
Examples:
Datum select TOKYO_MEAN
$PSRF106,178*32
Name Example Units Description
Message ID $PSRF106 PSRF106 protocol header
Datum 178 21= WGS84
178= Tokyo_Mean
179= Tokyo_Japan
180= Tokyo_Korea
181= Tpkyo_Okinawa
Checksum *32
<CR><LF> End of message termination
* * *
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