lejos.gps
Class GGASentence

java.lang.Object
  lejos.gps.NMEASentence
      lejos.gps.GGASentence

public class GGASentence
extends NMEASentence

This class has been designed to manage a GGA Sentence GGA - essential fix data which provide 3D location and accuracy data. $GPGGA,123519,4807.038,N,01131.000,E,1,08,0.9,545.4,M,46.9,M,,*47 Where: GGA Global Positioning System Fix Data 123519 Fix taken at 12:35:19 UTC 4807.038,N Latitude 48 deg 07.038' N 01131.000,E Longitude 11 deg 31.000' E 1 Fix quality: 0 = invalid 1 = GPS fix (SPS) 2 = DGPS fix 3 = PPS fix 4 = Real Time Kinematic 5 = Float RTK 6 = estimated (dead reckoning) (2.3 feature) 7 = Manual input mode 8 = Simulation mode 08 Number of satellites being tracked 0.9 Horizontal dilution of position 545.4,M Altitude, Meters, above mean sea level 46.9,M Height of geoid (mean sea level) above WGS84 ellipsoid (empty field) time in seconds since last DGPS update (empty field) DGPS station ID number *47 the checksum data, always begins with *

Author:

BB

Field Summary

static String

HEADER

Fields inherited from class lejos.gps.NMEASentence

nmeaSentence, st

Constructor Summary

GGASentence()

Method Summary

float	getAltitude() Get Altitude
int	getFixQuality() Get GPS Quality Data
String	getHeader() Returns the NMEA header for this sentence.
double	getLatitude() Get Latitude
char	getLatitudeDirection() Get Latitude Direction
double	getLongitude() Get Longitude
char	getLongitudeDirection() Get Longitude Direction
int	getSatellitesTracked() Returns the number of satellites being tracked to determine the coordinates.
int	getTime() Returns the last time stamp retrieved from a satellite
protected void	parse(String sentence) Method used to parse a GGA Sentence

Methods inherited from class lejos.gps.NMEASentence

checkRefresh, degreesMinToDegrees, getTimeStamp, isValid, setSentence

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

HEADER

public static final String HEADER

See Also:

Constant Field Values

Constructor Detail

GGASentence

public GGASentence()

Method Detail

getHeader

public String getHeader()

Returns the NMEA header for this sentence.

Specified by:

getHeader in class NMEASentence

Returns:

The NMEA header string ($GPGGA, $GPVTG, etc...)

getLatitude

public double getLatitude()

Get Latitude

getLatitudeDirection

public char getLatitudeDirection()

Get Latitude Direction

Returns:

the latitude direction

getLongitude

public double getLongitude()

Get Longitude

getLongitudeDirection

public char getLongitudeDirection()

Get Longitude Direction

Returns:

the longitude direction

getAltitude

public float getAltitude()

Get Altitude

Returns:

the altitude

getTime

public int getTime()

Returns the last time stamp retrieved from a satellite

Returns:

The time as a UTC integer. 123519 = 12:35:19 UTC

getSatellitesTracked

public int getSatellitesTracked()

Returns the number of satellites being tracked to determine the coordinates.

Returns:

Number of satellites e.g. 8

getFixQuality

public int getFixQuality()

Get GPS Quality Data

Returns:

the fix quality

parse

protected void parse(String sentence)

Method used to parse a GGA Sentence

Specified by:

parse in class NMEASentence