ToCall

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(Identifying APRS Software Version: updated list based on latest tocalls.txt)
(APOxxx is pretty clearly documented in tocalls.txt as belonging to APRSpoint, it's not an undocumented tocall. Moving.)
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|APNXxx
 
|APNXxx
 
|TNC-X  (K6DBG)
 
|TNC-X  (K6DBG)
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|-
 +
|APOxxx
 +
|APRSPoint
 
|-
 
|-
 
|APOTxx
 
|APOTxx
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Other strings which have been heard on the air, but that are not documented in the APRS Spec version 1.01, include:
 
Other strings which have been heard on the air, but that are not documented in the APRS Spec version 1.01, include:
 
{| border="1"
 
{| border="1"
|APO443
 
|APRSpoint 4.4.3
 
|-
 
 
|APIB10
 
|APIB10
 
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|

Revision as of 13:13, 12 May 2008

Specifying Symbols

If you are sending a packet that can't include the normal icon code embedded in the lat/lon position (/$), you can add one of these special beacon-style ToCalls to the address string of your packet.

Both nn and xy are placeholders to the APRS Symbol Table, while z is a placeholder for an optional symbol overlay.

  • GPSxyz
  • GPSCnn
  • GPSEnn
  • SPCxyz
  • SYMxyz

Identifying APRS Software Version

If you want to include the name and version of the software being used, you can add one of these ToCalls to the destination address, replacing the xx or xxx with the software version number.

This table is from the APRS 1.01 specification and [1]:

APAGWx SV2AGW's AGWtracker
APCxxx APRS/CE, Windows CE
APDPRS D-Star originated posits
APDxxx Linux aprsd server
APExxx PIC-Encoder
APIxxx Icom radios (future)
APICxx ICQ messaging
APK0xx Kenwood THD7s
APK1xx Kenwood D700s
APMxxx MacAPRS
APN3xx Kantronics KPC-3
APN9xx Kantronics KPC-9612
APNMxx MJF TNC
APNTxx SV2AGW's TNT tnc as a digi
APNXxx TNC-X (K6DBG)
APOxxx APRSPoint
APOTxx Open Track
APOD1w Open Track with 1 wire WX
APOU2k Open Track for Ultimeter
APPxxx pocketAPRS
APRxxx APRSdos
APRS older versions of APRSdos
APRSM older versions of MacAPRS
APRSW older versions of WinAPRS
APSxxx APRS+SA
APTIGR TigerTrack
APTTxx Tiny Track
APT2xx Tiny Track II
APT3xx Tiny Track III
APTAxx K4ATM's tiny track
APTW01 APTWxx Byons WXTrac
APU1xx UIview-16
APU2xx UIview-32
APU3xx UIview terminal program
APWxxx WinAPRS
APXxxx Xastir version x.x.x (historically also X-APRS)
APYxxx Yaesu radios (future)
APZxxx Experimental

Other strings which have been heard on the air, but that are not documented in the APRS Spec version 1.01, include:

APIB10

These calls are instead documented in Bob Bruninga's updated [tocalls.txt file].

Generic Beacon-Style ToCalls

  • AIR* †
  • ALL* To All stations.
  • AP*
  • BEACON
  • CQ* Calling CQ
  • GPS Specifically intended for use by trackers sending lat/long positions via digipeaters which have the capability of converting positions to compressed data format.
  • GPS* For specifying a symbol when unable to do so in the position report (e.g. NMEA strings)
  • DF* Direction Finding Report.
  • DGPS* Used by differential GPS correction stations. Most software will not make use of packets using this address, other than to pass them on to an attached GPS unit.
  • DRILL* Training Drill or Exercise
  • DX* DX Spot
  • ID*
  • JAVA*
  • MAIL*
  • MICE* Mic-E Report
  • QST* News Announcement
  • QTH*
  • RTCM* Used by differential GPS correction stations. Most software will not make use of packets using this address, other than to pass them on to an attached GPS unit.
  • SKY* Used for SkyWarn stations.
  • SPACE*
  • SPC* For specifying a Special Event Station symbol
  • SYM* For specifying a symbol, but reserved for future use
  • TEL* Telemetry station.
  • TEST*
  • TLM* Telemetry station.
  • WX*
  • ZIP* †

The asterisk is a wildcard, allowing the address to be extended (up to a total of 6 alphanumeric characters). † The AIR* and ZIP* addresses are deprecated.

These addresses are copied by everyone. All APRS software must accept packets with these destination addresses. The address GPS (i.e. the 3-letter address GPS,

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