APRS symbols

The following APRS symbols is currently supported. Please note that the description of each symbol is based on a combination of the version 1.1 spec. and the version 1.2 spec. from www.aprs.org (and on usages that we have found to be common).

In this list we include all primary symbols, all default alternate symbols, all overlayed alternate symbols that has a specified description and all overlayed alternate symbols that is used by some station.

C1 T2 Type Icon Description Stations3
I / Primary Symbol I/ TCP/IP network station 0
I \ Alternate Symbol I\ Rain Shower 0
J / Primary Symbol J/ No Symbol 0
J \ Alternate Symbol J\ Lightning 0
K / Primary Symbol K/ School 0
K \ Alternate Symbol K\ Kenwood HT 0
L / Primary Symbol L/ Logged-ON user (or PC User) 0
L \ Alternate Symbol L\ Lighthouse 0
M / Primary Symbol M/ MacAPRS 0
M \ Alternate Symbol M\ No Symbol 0
N / Primary Symbol N/ NTS Station 0
N \ Alternate Symbol N\ Navigation Buoy 0
O / Primary Symbol O/ Balloon 8
O \ Alternate (supports overlay) Symbol O\ Rocket (amateur) 0
O B Alternate (with overlay) Symbol OB Blimp (non-rigid airship) 0
O C Alternate (with overlay) Symbol OC Constant Pressure Balloon - Long duration 0
O M Alternate (with overlay) Symbol OM Manned Balloon 0
O R Alternate (with overlay) Symbol OR Rocket bearing Balloon (Rockoon) 0
O T Alternate (with overlay) Symbol OT Teathered Balloon 0
P / Primary Symbol P/ Police 0
P \ Alternate Symbol P\ Parking 0
Q / Primary Symbol Q/ TBD 0
Q \ Alternate Symbol Q\ Quake 0
R / Primary Symbol R/ Recreational Vehicle 0
R \ Alternate Symbol R\ Restaurant (generic) 0
R 7 Alternate Symbol R7 Restaurant (7/11) 0
R K Alternate Symbol RK Restaurant (KFC) 0
R M Alternate Symbol RM Restaurant (McDonalds) 0
R T Alternate Symbol RT Restaurant (Taco Bell) 0
S / Primary Symbol S/ Shuttle 0

  1. Symbol Code (the character found after the longitude in the APRS packet)
  2. Symbol Table ID (the character found between the latitude and longitude in the APRS packet)
  3. Number of stations/objects using this symbol the latest 24 hours (if station/object use several symbols only the latest used counts)
Initial position
Current position

Glider RADAR

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