Updated: 19/12/2007

APRS Standard Callsign SSID

To assist in identifying a stations functionalities/capabilities designated callsign SSIDs are used in APRS. Use the correct SSID for your stations functionality/capability.

-0 Home Station, Home Station running IGate.
-1 Digipeater, Home Station running a Fill-In 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 station.
-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. Read the APRS spec for more info.