Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W8TMC callsign genealogy
Currently held by CLIFTON, Timothy 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 W8TMC's current licensee, walking backwards.
- CLIFTON, Timothy MOHgranted 2015-07-23cancelled 2015-09-29
Successor callsigns
Callsigns held now by people who previously held W8TMC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W8TMC, oldest first.
- BRETELSON, JOHN OH1996-01-24 → cancelled 2008-01-25
- CLIFTON, Timothy M OH2026-04-02 active