Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4MUO callsign genealogy
Currently held by Drewry, Steven K
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 N4MUO's current licensee, walking backwards.
- Drewry, Steven KNCgranted 2023-11-25cancelled 2025-09-20
Successor callsigns
Callsigns held now by people who previously held N4MUO.
No current licensee on record previously held this callsign.