Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4TMJ callsign genealogy
Currently held by Franklin, James W
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 K4TMJ's current licensee, walking backwards.
- Johnson, Tony MFLgranted 2023-07-15cancelled 2023-10-28
Successor callsigns
Callsigns held now by people who previously held K4TMJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4TMJ, oldest first.
- Franklin, James W AZ2007-02-27 → cancelled 2019-02-28
- Johnson, Tony M FL2023-10-28 active