Confidence: Medium · Source: FCC ULS · As of 2026-09-14
NC4ZO callsign genealogy
Currently held by RANDOLPH AMATEUR RADIO CLUB
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 NC4ZO's current licensee, walking backwards.
- KG4JEBcancelledRANDOLPH AMATEUR RADIO CLUBNCgranted 2000-08-23cancelled 2000-12-19
Successor callsigns
Callsigns held now by people who previously held NC4ZO.
No current licensee on record previously held this callsign.