GPS-622F Datasheet, PDF (15/17 Pages) rfsolutions.ltd – Low-Power High-Performance and Low-Cost 65 Channel GPS Engine Board (Flash based)

GPS SMART RECEIVER WITH ANTENNA
GPS-622F
5.5 RMC - RECOMMANDED MINIMUM SPECIFIC GPS/TRANSIT DATA
Time, date, position, course and speed data provided by a GNSS navigation receiver.
Structure:
$GPRMC,hhmmss.sss,A,dddmm.mmmm,a,dddmm.mmmm,a,x.x,x.x,ddmmyy,x.x,a,a*hh<CR><LF>
1
23
4
5 6 7 8 9 10 11 12 13
Example:
$GPRMC,092204.999,A,4250.5589,S,14718.5084,E,0.00,89.68,211200,,A*25<CR><LF>
Field NaME
Example
Description
1 UTC time
092204.999
UTC time in hhmmss.sss
235959.999)
format
(000000.00
~
Status
2 Status
A
‘V’ = Navigation receiver warning
‘A’ = Data Valid
3 Latitude
4250.5589
Latitude in dddmm.mmmm format
Leading zeros transmitted
Latitude hemisphere indicator
4 N/S indicator
S
‘N’ = North
‘S’ = South
5 Longitude
14718.5084
Longitude in dddmm.mmmm format
Leading zeros transmitted
Longitude hemisphere indicator
6 E/W Indicator
E
'E' = East
'W' = West
7 Speed over ground 000.0
Speed over ground in knots (000.0 ~ 999.9)
8
Course
ground
over _000.0
Course over ground in degrees (000.0 ~ 359.9)
9 UTC Date
211200
UTC date of position fix, ddmmyy format
10 Magnetic variation
Magnetic variation in degrees (000.0 ~ 180.0)
Magnetic variation direction
11 Magnetic Variation
‘E’ = East
‘W’ = West
Mode indicator
‘N’ = Data not valid
‘A’ = Autonomous mode
12 Mode indicator A
‘D’ = Differential mode
‘E’ = Estimated (dead reckoning) mode
‘M’ = Manual input mode
‘S’ = Simulator mode
13 checksum
25
DS-GPS-622F-2 Sept 11
©2010 www.rfsolutions.co.uk
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