Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0WBZ callsign genealogy
Currently held by ZIMMERLY, WILLIAM B
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 K0WBZ's current licensee, walking backwards.
- ZIMMERLY, WILLIAM BMOgranted 2006-02-03cancelled 2011-12-02
Successor callsigns
Callsigns held now by people who previously held K0WBZ.
No current licensee on record previously held this callsign.