Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NO4ON callsign genealogy
Currently held by NOON, DOUGLAS P
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 NO4ON's current licensee, walking backwards.
- NORMAN III, WILLIAM HFLgranted 2020-09-09cancelled 2021-07-12
Successor callsigns
Callsigns held now by people who previously held NO4ON.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NO4ON, oldest first.
- NOON, DOUGLAS P NC2006-04-25 → cancelled 2018-04-26
- NORMAN III, WILLIAM H FL2021-07-12 active