Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4NBZ callsign genealogy
Currently held by WEST, ROY 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 K4NBZ's current licensee, walking backwards.
- WEST, ROY Ccancelled 1998-01-14
Successor callsigns
Callsigns held now by people who previously held K4NBZ.
- WEST, ROY CNCgranted 2019-10-04