GridTracker is a companion program for WSJT-X. It listens to WSJT-X or JTDX decodes and displays them on a map for Linux, Mac, and Windows .

Display on a large second monitor in your amateur radio club, hamfest or as a demonstration in a classroom.  Everyone gets excited when they can see what you’re doing!


  • Real-time Traffic Decoding to world map.
  • Audio / Visual / Text-to-Speech Alerts on Callsign, DXCC, CQ Designator, Grid and more.
  • ADIF log parsing
  • Contest Map Overlays (ITU, CQ, WAS, WAC, USC, DXCC)
  • Callable Roster for hunting wanted criteria , initiate QSOs 
  • QSO log reporting / uploading (, ClubLog,, LotW, Cloudlog)
  • Log4OM, N1MM+, N3FJP AClog, HRD  local logger support
  • , HamQTH, CALLOOK and callsign lookups (Generate Std Messages optional)
  • Band and Mode filtering
  • Complete DXCC, Country, Callsign Prefix recognition
  • Band activity from PSK-Reporter
  • PSK-Reporter spots
  • Maidenhead 4 and 6 wide views
  • 22 Map styles
  • 100% offline mode available for field-day use.
  • UDP Multicast message support
  • UDP message forwarding
  • State / Province / Locality information
  • Decode history charting for propagation and radio performance  analysis
  • Online chat system
  • Active development with you in mind, tell us what you’d like to see!

Grab a copy in the Downloads section.