Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4ZZZ callsign genealogy
Currently held by Miller, Keeth B
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 N4ZZZ's current licensee, walking backwards.
- Bluhm, ZacharyNCgranted 2024-09-25cancelled 2026-06-09
Successor callsigns
Callsigns held now by people who previously held N4ZZZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4ZZZ, oldest first.
- SCHULTZ, GEORGE MA2000-05-20 → cancelled 2012-08-08
- Miller, Keeth B VA2013-11-09 → cancelled 2026-03-07
- Bluhm, Zachary NC2026-06-09 active