Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WS4H callsign genealogy
Currently held by SIMPSON JR, WILBUR G
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 WS4H's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held WS4H.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WS4H, oldest first.
- ZUCKERMAN, EMILY J NJ1988-03-29 → cancelled 2000-03-30
- SIMPSON JR, WILBUR G NC2020-08-18 active