Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KT0M callsign genealogy
Currently held by MC CARTER, CLARENCE 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 KT0M's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KT0M.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KT0M, oldest first.
- MC CARTER, CLARENCE E KS1998-05-11 → cancelled 2001-10-31
- Sawyer, Tommy L IA2018-12-28 active