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
M \ Alternate Symbol M\ No Symbol 1
M D Alternate Symbol MD No Symbol 1
N / Primary Symbol N/ NTS Station 7
N \ Alternate Symbol N\ Navigation Buoy 5
O / Primary Symbol O/ Balloon 299
O \ Alternate (supports overlay) Symbol O\ Rocket (amateur) 6
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 E Alternate (with overlay) Symbol OE Balloon (with overlay E) 1
O I Alternate (with overlay) Symbol OI Balloon (with overlay I) 1
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 47
P \ Alternate Symbol P\ Parking 64
Q / Primary Symbol Q/ TBD 2261
Q \ Alternate Symbol Q\ Quake 221
R / Primary Symbol R/ Recreational Vehicle 141
R \ Alternate Symbol R\ Restaurant (generic) 40
R 7 Alternate Symbol R7 Restaurant (7/11) 0
R K Alternate Symbol RK Restaurant (KFC) 1
R M Alternate Symbol RM Restaurant (McDonalds) 4
R T Alternate Symbol RT Restaurant (Taco Bell) 0
S / Primary Symbol S/ Shuttle 9
S \ Alternate Symbol S\ Satellite/Pacsat 48
S I Alternate Symbol SI Satellite/Pacsat (with overlay I) 2
T / Primary Symbol T/ SSTV 9
T \ Alternate Symbol T\ Thunderstorm 10
T D Alternate Symbol TD Thunderstorm (with overlay D) 1
U / Primary Symbol U/ Bus 33

  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
Ruler
PHG

© 2015-2021 Per Qvarforth SM4WJF
All Rights Reserved

In this tab we show all APRS packets of any packet type that has been added to the map.

In this tab we show APRS packets of type position that has been added to the map (note that any station may send a position packet).

In this tab we show all APRS packets of type object or item that has been added to the map.

In this tab we show APRS packets of type weather that has been added to the map (note that any station may send a weather packet, not only weather stations).

In this tab we show APRS packets of type direction finding, telemetry, message, query and status that has been added to the map.

Select date and time to show map data for (enter time for your locale time zone). The regular time length select box can still be used to select how old data that should be shown (relative to selected date and time).

*Note that the heatmap will still based on data from the latest hour (not the selected date and time).

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