APRS and GPS information

APRS Standard Callsign SSID
          To assist in identifying a stations functionalities/capabilities designated callsign SSIDs are used in APRS. Use of the correct SSID for your stations function and capability is helpful for accuracy.
          -0 Home Station, Home Station running IGate.
          -1 Digipeater, Home Station running a Relay Digi, Wx Digipeater
          -2 Digipeater [#2 or] on 70CM
          -3 Digipeater [#3]
          -4 HF to VHF Gateway
          -5 IGate (Not home station)
          -6 SatGates & Special function Station.
          -7 Kenwood D7 HH
          -8 Secondary
          Mobile stations:
          -9 Primary Mobile station.
          -12 Portable Units such as Laptops etc.
          -14 Trucks
          -15 Mobile HF station.
          Note: In TNC Only mobile systems running a GPS sending raw NMEA strings, the SSID is used to establish the Vehicle symbol. These are not very common although you will see a few mobile stations with odd SSIDs.
          There are some new or non-standard station identifiers appearing on the APRS maps. One of these is the letters "WL" for WinLink stations. Another are the letters "WX" for Weather station.