Package org.ka2ddo.gps

Class SatelliteCatalog

java.lang.Object
org.ka2ddo.gps.SatelliteCatalog
public class SatelliteCatalog extends Object
This class contains the current state data of the GPS satellites, as viewed from the position of the GPS receiver.
Author:
Andrew Pavlin, KA2DDO

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    short
    fixQuality
    Fix quality number (character from $GPGSA sentence).
    int
    gpgsvNumSentences
    Total number of $GPGSV sentences needed to describe all satellites in use.
    float
    hdop
    Horizontal dilution of precision.
    float
    pdop
    Three-dimensional position dilution of precision.
    final SatelliteState[]
    sats
    Collection of state records for each individual satellite.
    long
    timeOfLastGpGsa
    Receive time of last $GPGSA in Java milliseconds since 1 Jan 1970 UTC.
    long
    timeOfLastGpGsv
    Receive time of last $GPGSV in Java milliseconds since 1 Jan 1970 UTC.
    float
    vdop
    Vertical dilution of precision.

  • Constructor Summary

    Constructors
    Constructor
    Description
    SatelliteCatalog()
    Create a SatelliteCatalog object.

  • Method Summary

    Modifier and Type
    Method
    Description
    String
    toString()
    Returns a string representation of the object.

    Methods inherited from class java.lang.Object

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

  • Field Details

    • timeOfLastGpGsa

      public long timeOfLastGpGsa
      Receive time of last $GPGSA in Java milliseconds since 1 Jan 1970 UTC.

    • timeOfLastGpGsv

      public long timeOfLastGpGsv
      Receive time of last $GPGSV in Java milliseconds since 1 Jan 1970 UTC.

    • fixQuality

      public short fixQuality
      Fix quality number (character from $GPGSA sentence).

    • sats

      public final SatelliteState[] sats
      Collection of state records for each individual satellite. First 30 are Global Positioning System (US DoD), others are DGPS receivers or for other constellations with multi-constellation receivers.

    • pdop

      public float pdop
      Three-dimensional position dilution of precision.

    • hdop

      public float hdop
      Horizontal dilution of precision.

    • vdop

      public float vdop
      Vertical dilution of precision.

    • gpgsvNumSentences

      public int gpgsvNumSentences
      Total number of $GPGSV sentences needed to describe all satellites in use.

  • Constructor Details

    • SatelliteCatalog

      public SatelliteCatalog()
      Create a SatelliteCatalog object.

  • Method Details

    • toString

      public String toString()
      Returns a string representation of the object.
      Overrides:
      toString in class Object
      Returns:
      a string representation of the object.