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
H X Alternate (with overlay) Symbol HX Skull&Crossbones 0
I / Primary Symbol I/ TCP/IP network station 314
I \ Alternate Symbol I\ Rain Shower 0
I R Alternate Symbol IR Rain Shower 2
J / Primary Symbol J/ No Symbol 4
J \ Alternate Symbol J\ Lightning 4
J A Alternate Symbol JA Lightning 2
K / Primary Symbol K/ School 55
K \ Alternate Symbol K\ Kenwood HT 210
K G Alternate Symbol KG Kenwood HT 1
K X Alternate Symbol KX Kenwood HT 1
L / Primary Symbol L/ Logged-ON user (or PC User) 6
L \ Alternate Symbol L\ Lighthouse 77
L E Alternate Symbol LE Lighthouse (with overlay E) 1
M / Primary Symbol M/ MacAPRS 18
M \ Alternate Symbol M\ No Symbol 0
N / Primary Symbol N/ NTS Station 8
N \ Alternate Symbol N\ Navigation Buoy 10
N I Alternate Symbol NI Navigation Buoy (with overlay I) 1
O / Primary Symbol O/ Balloon 1156
O \ Alternate (supports overlay) Symbol O\ Rocket (amateur) 10
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 N Alternate (with overlay) Symbol ON Balloon (with overlay N) 1
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 42
P \ Alternate Symbol P\ Parking 94
P N Alternate Symbol PN Parking (with overlay N) 1

  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

© 2015-2018 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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