Rikaline GPS-24 - Manual (Page 11)

GPS Receiver Board GPS-24 / 24A Operating Manual
Rikaline
Specifications subject to change without prior notice
Rikaline International Corp. 10F, 64, Kang-Din Road, Taipei 108, Taiwan
Tel: ++886 2 2370 4688 Fax: ++886 2 2370 4686 E-Mail: [email protected] Web: www.rikaline.com.tw
Table 4-4 contains the values for the following example:
$GPGLL,3723.2475,N,12158.3416,W,161229.487,A*2C
Table A-4 GLL Data Format
Name Example Units Description
Message ID $GPGLL GLL protocol header
Latitude 3723.2475 ddmm.mmmm
N/S Indicator N N=north or S=south
Longitude 12158.3416 dddmm.mmmm
E/W Indicator
W E=east or W=west
UTC Position 161229.487 hhmmss.sss
Status A A=data valid or V=data not valid
Checksum *2C
<CR> <LF> End of message termination
4.1.3 GNSS DOP and Active Satellites (GSA)
Table A-5 contains the values for the following example:
$GPGSA,A,3,07,02,26,27,09,04,15, , , , , ,1.8,1.0,1.5*33
Table A-5 GSA Data Format
Name Example Units Description
Message ID $GPGSA GSA protocol header
Mode 1 A See Table 5-6
Mode 2 3 See Table 5-7
Satellite Used (1) 07 Sv on Channel 1
Satellite Used (1) 02 Sv on Channel 2
…… ….
Satellite Used Sv on Channel 12
PDOP 1.8 Position Dilution of Precision
HDOP 1.0 Horizontal Dilution of Precision
VDOP 1.5 Vertical Dilution of Precision
Checksum *33
<CR> <LF> End of message termination
(1) Satellite used in solution.
Table A-6 Mode 1
Value Description
M Manual—forced to operate in 2D or 3D mode
A 2D Automatic—allowed to automatically switch 2D/3D
Table A-7 Mode 2
Value Description
1 Fix Not Available
2 2D
3 3D
A.1.4 GNSS Satellites in View (GSV)
Table A-8 contains the values for the following example:
$GPGSV,2,1,07,07,79,048,42,02,51,062,43,26,36,256,42,27,27,138,42*71
$GPGSV,2,2,07,09,23,313,42,04,19,159,41,15,12,041,42*41
Table A-8 GSV Data Format
Name Example Units Description
Message ID $GPGSV GSV protocol header
Number of Messages 2 Range 1 to 3