Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4MTM callsign genealogy
Currently held by MOORE III, ALFRED 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 W4MTM's current licensee, walking backwards.
- Beach, Dale KALgranted 2018-06-01cancelled 2019-12-03
Successor callsigns
Callsigns held now by people who previously held W4MTM.
- MOORE III, ALFRED TALgranted 2026-01-03
All historical holders
Every license row we've seen with the callsign W4MTM, oldest first.
- MOORE III, ALFRED T AL2011-01-07 → cancelled 2016-01-05
- Beach, Dale K AL2019-12-03 active