Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9UCM callsign genealogy
Currently held by COLTON, DEPUY 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 K9UCM's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held K9UCM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9UCM, oldest first.
- FIORE, VITO OH2003-08-12 → cancelled 2015-11-03
- COLTON, DEPUY J ID2024-11-23 active