Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KM5WM callsign genealogy
Currently held by Crone, George E
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 KM5WM's current licensee, walking backwards.
- Mason, Michael WLAgranted 2018-03-29cancelled 2020-01-04
Successor callsigns
Callsigns held now by people who previously held KM5WM.
- Crone, George EMSgranted 1996-07-03cancelled 2000-05-12
All historical holders
Every license row we've seen with the callsign KM5WM, oldest first.
- Crone, George E MS1996-07-03 → cancelled 2000-04-18
- Mason, Michael W LA2020-01-04 active