Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4XMZ callsign genealogy
Currently held by Wheeler, Cleveland R
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 N4XMZ's current licensee, walking backwards.
- Wheeler, Cleveland RTNgranted 2010-04-13cancelled 2014-11-07
Successor callsigns
Callsigns held now by people who previously held N4XMZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4XMZ, oldest first.
- PERRY, PHILIP H FL1989-12-05 → cancelled 2002-03-07
- Wheeler, Cleveland R TN2024-09-19 active