RACOM M!DGE, Руководство по эксплуатации

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4. Software Interfaces
4.1. GPS Server
4.1.1. Berlios GPS Server
This is a TCP server which provides GPS data in various formats. Find more information under ht-
tp://gpsd.berlios.de
4.1.2. MG102 GPS Server
If valid GPS data is available it will be sent as UDP Payload to the configured host. The content is
separated into two lines. The first line contains data in the GPGGA format; the second line contains
GPRMC data.
$GPGGA – Global Positioning System Fix Data
Format: $GPGGA,<time>,<latitude>,<longitude>,<quality>,<satellites>,0,<sealevel>,
,*<CS><CR><LF>
Sample Data: $GPGGA,154250,4749.8678,N,00871.8469,E,1,06,0.0,498,M,0.0,M,,*6A <CR><LF>
Description Data Name No.
Global Positioning System Fix Data $GPGGA Sentence Identifier 1
UTC of position fix <time> Time 2
Latitude of fix <latitude,N/S> Latitude 3
Longitude of fix <longitude,E/W> Longitude 4
0 = Invalid
1 = GPS fix
6 = estimated
<quality> Fix Quality 5
Number of satellites in view <satellites> Number of Satellites 6
Not available (Value = 0) 0.0 Horizontal Dilution of Precision (HDOP) 7
Meters above mean sea level <sealevel,M> Altitude 8
Not available (Value = 0) 0.0,M Height of geoid above WGS84 ellipsoid 9
No last update blank Time since last DGPS update 10
No station id blank DGPS reference station id 11
Used by program to check for transmis-
sion errors
*<CS> Checksum 12
Carriage return and line feed <CR><LF> White spaces 13
$GPRMC – Recommended minimum specific GPS/Transit data
Format: $ G P R M C , < t i m e > , < s t a t e > , < l a t i t u d e > , < l o n g i t u d e > , < s p e e d > , < c o u r s e > ,
<date>,0.0,E,<mode>*<CS><CR><LF>
Sample Data: $GPRMC,154250,A,4749.8678,N,00871.8469,E,0.0,0.0,230707,0.0,E,A*1F<CR><LF>
GPRS/EDGE/UMTS routersM!DGE, MG102 – © RACOM s.r.o. 102
Software Interfaces