GGASentence (leJOS EV3 API documentation)

java.lang.Object
- lejos.hardware.gps.NMEASentence
- - lejos.hardware.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:

Juan Antonio Brenha Moral Added changes by Alan M Gilkes - Nov 12th 2014 - Lawrie Griffiths

Field Summary

Fields
Modifier and Type Field and Description

static java.lang.String HEADER
- Fields inherited from class lejos.hardware.gps.NMEASentence
  LATITUDE, LONGITUDE

Fields
Modifier and Type	Field and Description
`static java.lang.String`	`HEADER`

Constructor Summary

Constructors
Constructor and Description

GGASentence()

Constructors
Constructor and Description
`GGASentence()`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`protected double`	`degreesMinToDegreesDbl(java.lang.String DD_MM, int CoordinateType)` Any GPS Receiver gives Lat/Lon data in the following way: http://www.gpsinformation.org/dale/nmea.htm http://www.teletype.com/pages/support/Documentation/RMC_log_info.htm 4807.038,N Latitude 48 deg 07.038' N 01131.000,E Longitude 11 deg 31.000' E This data is necessary to convert to Decimal Degrees.
`float`	`getAltitude()` Get Altitude
`int`	`getFixQuality()` Get GPS Quality Data
`float`	`getHDOP()` Get Horizontal Dilution of Precision (HDOP)
`java.lang.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
`void`	`parse(java.lang.String sentence)` Method used to parse a GGA Sentence

Methods inherited from class lejos.hardware.gps.NMEASentence
degreesMinToDegrees, isNumeric

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - HEADER
```
public static final java.lang.String HEADER
```
    See Also:
    
    Constant Field Values
- Constructor Detail
  - GGASentence
```
public GGASentence()
```
- Method Detail
  - degreesMinToDegreesDbl
```
protected double degreesMinToDegreesDbl(java.lang.String DD_MM,
                                        int CoordinateType)
```
    Any GPS Receiver gives Lat/Lon data in the following way: http://www.gpsinformation.org/dale/nmea.htm http://www.teletype.com/pages/support/Documentation/RMC_log_info.htm 4807.038,N Latitude 48 deg 07.038' N 01131.000,E Longitude 11 deg 31.000' E This data is necessary to convert to Decimal Degrees. Latitude values has the range: -90 <-> 90 Longitude values has the range: -180 <-> 180
    
    Parameters:
    
    DD_MM -
    
    CoordinateType -
    
    Returns:
    
    the degrees
  - getHeader
```
public java.lang.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
  - getHDOP
```
public float getHDOP()
```
    Get Horizontal Dilution of Precision (HDOP)
    
    Returns:
    
    the hdop
  - parse
```
public void parse(java.lang.String sentence)
```
    Method used to parse a GGA Sentence
    
    Specified by:
    
    parse in class NMEASentence

Class GGASentence

Field Summary

Fields inherited from class lejos.hardware.gps.NMEASentence

Constructor Summary

Method Summary

Methods inherited from class lejos.hardware.gps.NMEASentence

Methods inherited from class java.lang.Object

Field Detail

HEADER

Constructor Detail

GGASentence

Method Detail

degreesMinToDegreesDbl

getHeader

getLatitude

getLatitudeDirection

getLongitude

getLongitudeDirection

getAltitude

getTime

getSatellitesTracked

getFixQuality

getHDOP

parse