Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC0EXF callsign genealogy
Currently held by COATS, JONATHAN M
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 KC0EXF's current licensee, walking backwards.
- Coats, JonathanUTgranted 2026-05-05cancelled 2026-06-19
Successor callsigns
Callsigns held now by people who previously held KC0EXF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC0EXF, oldest first.
- COATS, JONATHAN M CO1999-02-26 → cancelled 2011-02-02
- Coats, Jonathan UT2026-06-19 active