Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0EXE callsign genealogy
Currently held by COLONDER II, JOHN H
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 K0EXE's current licensee, walking backwards.
- Colonder II, John HMOgranted 2022-09-30cancelled 2026-01-24
Successor callsigns
Callsigns held now by people who previously held K0EXE.
- Colonder II, John HMOgranted 2022-09-30cancelled 2026-01-24
All historical holders
Every license row we've seen with the callsign K0EXE, oldest first.
- COLONDER II, JOHN H MO2021-03-30 → cancelled 2022-09-30
- Colonder II, John H MO2026-01-24 active