Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K5MRT callsign genealogy
Currently held by DUNLAP, GEORGE C
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 K5MRT's current licensee, walking backwards.
- Trombley, Matthew RNCgranted 2018-10-18cancelled 2019-08-30
Successor callsigns
Callsigns held now by people who previously held K5MRT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K5MRT, oldest first.
- DUNLAP, GEORGE C TX1995-01-26 → cancelled 2007-01-27
- Trombley, Matthew R TN2019-08-30 active