Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4MXM callsign genealogy
Currently held by FLOYD, JIMMY A
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 K4MXM's current licensee, walking backwards.
- MOORE, MATTHEWVAgranted 2021-12-28cancelled 2022-01-25
Successor callsigns
Callsigns held now by people who previously held K4MXM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4MXM, oldest first.
- FLOYD, JIMMY A AL2009-10-06 → cancelled 2021-12-28
- MOORE, MATTHEW H VA2022-01-25 active