Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4CAS callsign genealogy
Currently held by Shaw Jr, William C
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 N4CAS's current licensee, walking backwards.
- Shaw Jr, William CNCgranted 2018-04-27cancelled 2018-05-22
Successor callsigns
Callsigns held now by people who previously held N4CAS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4CAS, oldest first.
- DICKENS SR, FRANKLIN D NC2006-05-02 → cancelled 2018-05-03
- Shaw Jr, William C NC2018-05-22 active