Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KK4JTM callsign genealogy
Currently held by MARTIN, JERRELL T
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 KK4JTM's current licensee, walking backwards.
- MARTIN, JERRELL TNCgranted 2014-01-03cancelled 2018-09-25
Successor callsigns
Callsigns held now by people who previously held KK4JTM.
- CARR, CHARLES TKYgranted 2023-02-22
All historical holders
Every license row we've seen with the callsign KK4JTM, oldest first.
- CARR, CHARLES T KY2012-06-07 → cancelled 2013-03-05
- MARTIN, JERRELL T NC2018-09-25 active