Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4TMM callsign genealogy
Currently held by MONTERREY MUNOZ, TYRONE
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 K4TMM's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held K4TMM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4TMM, oldest first.
- Dennis, Earl D GA2006-05-23 → cancelled 2009-08-11
- MAYSE, THOMAS M TN2011-08-30 → cancelled 2017-11-27
- MONTERREY MUNOZ, TYRONE FL2019-12-17 active