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 310
I \ Alternate Symbol I\ Rain Shower 0
I R Alternate Symbol IR Rain Shower 3
J / Primary Symbol J/ No Symbol 2
J \ Alternate Symbol J\ Lightning 332
J A Alternate Symbol JA Lightning 3
J S Alternate Symbol JS Lightning 1
K / Primary Symbol K/ School 102
K \ Alternate Symbol K\ Kenwood HT 238
L / Primary Symbol L/ Logged-ON user (or PC User) 22
L \ Alternate Symbol L\ Lighthouse 74
L E Alternate Symbol LE Lighthouse (with overlay E) 3
M / Primary Symbol M/ MacAPRS 24
M \ Alternate Symbol M\ No Symbol 0
M D Alternate Symbol MD No Symbol 1
M N Alternate Symbol MN No Symbol 3
M W Alternate Symbol MW No Symbol 1
N / Primary Symbol N/ NTS Station 9
N \ Alternate Symbol N\ Navigation Buoy 7
O / Primary Symbol O/ Balloon 267
O \ Alternate (supports overlay) Symbol O\ Rocket (amateur) 11
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 49
P \ Alternate Symbol P\ Parking 71
P S Alternate Symbol PS Parking (with overlay S) 2
Q / Primary Symbol Q/ TBD 2652

  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

© 2015-2019 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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