gps_gpgga_data_message Struct Reference
[GPS]

GGA - essential fix data which provide 3D location and accuracy data. More...

#include <gps_messages.h>

Data Fields
double	timestamp
int	nr
double	utc
double	latitude
double	latitude_dm
char	lat_orient
double	longitude
double	longitude_dm
char	long_orient
int	gps_quality
int	num_satellites
double	hdop
double	sea_level
double	altitude
double	geo_sea_level
double	geo_sep
int	data_age
char *	host

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Detailed Description

GGA - essential fix data which provide 3D location and accuracy data.

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Field Documentation

double gps_gpgga_data_message::altitude

Units of antenna altitude, meters

Referenced by gps_parse_gga(), and main().

int gps_gpgga_data_message::data_age

Age of differential GPS data, time in seconds since last SC104 type 1 or 9 update, null field when DGPS is not used

Referenced by gps_parse_gga(), and main().

double gps_gpgga_data_message::geo_sea_level

Geoidal separation, the difference between the WGS-84 earth ellipsoid and mean-sea-level (geoid), "-" means mean-sea-level below ellipsoid

Referenced by gps_parse_gga(), and main().

double gps_gpgga_data_message::geo_sep

Units of geoidal separation, meters

Referenced by gps_parse_gga(), and main().

int gps_gpgga_data_message::gps_quality

GPS Quality Indicator, 0 - fix not available, 1 - GPS fix, 2 - Differential GPS fix

Referenced by gps_parse_gga(), and main().

double gps_gpgga_data_message::hdop

Horizontal Dilution of precision

Referenced by gps_parse_gga(), and main().

char* gps_gpgga_data_message::host

char gps_gpgga_data_message::lat_orient

N or S (North or South)

Referenced by gps_parse_gga(), and main().

double gps_gpgga_data_message::latitude

latitude as a real floating point number

Referenced by gps_parse_gga(), and main().

double gps_gpgga_data_message::latitude_dm

latitude as DDMM.MMMM format (as in the NMEA text message)

Referenced by gps_parse_gga(), and main().

char gps_gpgga_data_message::long_orient

E or W (East or West)

Referenced by gps_parse_gga(), and main().

double gps_gpgga_data_message::longitude

longitude as a real floating point number

Referenced by gps_parse_gga(), and main().

double gps_gpgga_data_message::longitude_dm

longitude as DDMM.MMMM format (as in the NMEA text message)

Referenced by gps_parse_gga(), and main().

int gps_gpgga_data_message::nr

number of the gps unit

int gps_gpgga_data_message::num_satellites

Number of satellites in view, 00-12

Referenced by gps_parse_gga(), and main().

double gps_gpgga_data_message::sea_level

Antenna Altitude above/below mean-sea-level (geoid)

Referenced by gps_parse_gga(), and main().

double gps_gpgga_data_message::timestamp

double gps_gpgga_data_message::utc

Universal Time Coordinated (UTC)

Referenced by gps_parse_gga(), and main().

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The documentation for this struct was generated from the following file:

• sensors/gps/gps_messages.h