APRS IDs – Explained

How D:

In the instructions for setting up your iGate from my article, APRS iGate from a Raspberry Pi Zero, it talks about setting your Call Sign and SSID.  You know your Call Sign but what is an SSID (not wifi SSID) and why does he say to set it to -10? 

The SSID identifies the type of application in which you are using APRS.  In this case, -10 indicates “internet, Igates, echolink, winlink, AVRS, APRN, etc” as the type of setup for this APRS device.  For HTs or Hand Helds you would use an SSID of -7.  In my case, WJ0NF-7.  For your Primary Mobile, like your truck, you would use -9.

For more information on APRS SSIDs, follow this link to APRS SSID Recommendations at APRS.org.  For all kinds of information on APRS, visit http://www.aprs.org.

For your quick reference, I have listed the recommended SSIDs below.

Note, The SSID of zero is dropped by most display applications.  So a callsign with no 
SSID has an SSID of 0.

-0 Your primary station usually fixed and message capable
-1 generic additional station, digi, mobile, wx, etc
-2 generic additional station, digi, mobile, wx, etc
-3 generic additional station, digi, mobile, wx, etc
-4 generic additional station, digi, mobile, wx, etc
-5 Other networks (Dstar, Iphones, Androids, Blackberry's etc)
-6 Special activity, Satellite ops, camping or 6 meters, etc
-7 walkie talkies, HT's or other human portable
-8 boats, sailboats, RV's or second main mobile
-9 Primary Mobile (usually message capable)
-10 internet, Igates, echolink, winlink, AVRS, APRN, etc
-11 balloons, aircraft, spacecraft, etc
-12 APRStt, DTMF, RFID, devices, one-way trackers*, etc
-13 Weather stations
-14 Truckers or generally full time drivers
-15 generic additional station, digi, mobile, wx, etc

73, John, WJ0NF

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