Confidence: Medium · Source: FCC ULS · As of 2026-09-14
NC4SR callsign genealogy
Currently held by Riddle, Stephen J
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 NC4SR's current licensee, walking backwards.
- Riddle, Stephen JNCgranted 2014-10-30cancelled 2023-09-16
Successor callsigns
Callsigns held now by people who previously held NC4SR.
No current licensee on record previously held this callsign.