Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4USN callsign genealogy
Currently held by WARD SR, JHON L
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 N4USN's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held N4USN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4USN, oldest first.
- FIELD JR, JOSEPH S FL1989-01-17 → cancelled 2001-01-18
- WARD SR, JHON L SD2021-03-30 active