Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NS4C callsign genealogy
Currently held by TOLLIVER, JUDITH 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 NS4C's current licensee, walking backwards.
- NOWICKI, WILLIAM JGAgranted 1996-02-08cancelled 2003-12-16
Successor callsigns
Callsigns held now by people who previously held NS4C.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NS4C, oldest first.
- TOLLIVER, JUDITH L FL1991-11-26 → cancelled 2003-11-27
- NOWICKI, WILLIAM J GA2023-09-19 active