Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KM5QX callsign genealogy
Currently held by LA PUZZA, MICHAEL J
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by KM5QX's current licensee, walking backwards.
- LA PUZZA, MICHAEL JOKgranted 1999-11-23cancelled 2005-04-12
Successor callsigns
Callsigns held now by people who previously held KM5QX.
- LA PUZZA, MICHAEL JOKgranted 1999-11-23cancelled 2005-04-12
All historical holders
Every license row we've seen with the callsign KM5QX, oldest first.
- LA PUZZA, MICHAEL J OK1998-09-11 → cancelled 1999-11-23
- LA PUZZA, MICHAEL J OK2015-03-27 active