Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4MTZ callsign genealogy
Currently held by Garland, Montana M
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 W4MTZ's current licensee, walking backwards.
- Garland, MontanaNCgranted 2025-03-04cancelled 2026-01-09
Successor callsigns
Callsigns held now by people who previously held W4MTZ.
No current licensee on record previously held this callsign.