APRS was developed by Bob Bruninga, WB4APR, as a real-time local tactical communications system for rapidly exchanging digital data of immediate value to operations. This really took off when GPS became available and maps were integrated into the system for tactical situational awareness of everything in the net. In the 13 years since its introduction, (see history) it has grown to encompass just about every aspect of Amateur Radio. For an introduction to APRS, click HERE
For positions of HAMS running APRS click HERE.
Or you may just want to type in a call sign you think may be running APRS here:

Check out this real-time APRS map by APRS.FI. No need to reload it, it updates automatically
If you would like your position listed on this site, email .
Full list of APRS servers:
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