Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KZ4OO callsign genealogy
Currently held by WILBUR, GEORGE R
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 KZ4OO's current licensee, walking backwards.
- WILBUR, GEORGE RNCgranted 2024-09-17cancelled 2024-12-16
Successor callsigns
Callsigns held now by people who previously held KZ4OO.
- WILBUR, GEORGE RNCgranted 2025-01-28