Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4OO callsign genealogy
Currently held by Wilcox, Robert 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 N4OO's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held N4OO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4OO, oldest first.
- BOWEN, ARLAN L FL2003-04-28 → cancelled 2010-01-23
- Wilcox, Robert B GA2021-12-07 active