Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4NZM callsign genealogy
Currently held by CHAMPION, DAVID C
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 N4NZM's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held N4NZM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4NZM, oldest first.
- CHAMPION, DAVID C VA1996-02-16 → cancelled 2008-02-19
- WYATT, MICHAEL C VA2024-02-02 active