Maestro e200 series, Руководство пользователя

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MAESTRO WIRELESS SOLUTIONS | Services
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E PACK | USER MANUAL VERSION 2.3 http://support.maestro-wireless.com
$GPGSA,A,3,18,20,21,22,29,,,,,,,,2.4,1.0,2.2*36
Parameters Description
MID GSA Parameters
MID GSA Protocol Header
Example
– $GPGSA
Mode1 M – Manual: Forced to operate in 2D or 3D
mode
A – 2D Automatic: Allowed to automatically
switch 2D/3D
Example
– A
Mode2 1 – Fix not available
2 – 2D (<4 SVs used)
3 – 3D (>3 SVs used)
Example – 3
Satellite Used
(1)
SV on Channel 1
Example
– 18
Satellite Used
(1)
SV on Channel 2
Example
– 20
…. ….
Satellite Used SV on Channel 12
PDOP (2) Position Dilution of Precision
Example
– 2.4
HDOP (2) Horizontal Dilution of Precision
Example
– 1.0
VDOP
(2)
Vertical Dilution of Precision
Example
– 2.2
Checksum *33
<CR><LF> End of message termination
Table 9.8-6: GSA Data Format
(1)
Satellite used in solution.
(2)
Maximum DOP value reported is 50. When 50 is reported, the actual DOP
may be much larger.