Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB4RJZ callsign genealogy
Currently held by Turner, Harold K
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 KB4RJZ's current licensee, walking backwards.
- Turner, Harold KALgranted 2022-12-06cancelled 2022-12-28
Successor callsigns
Callsigns held now by people who previously held KB4RJZ.
- Turner, Harold KALgranted 2023-12-02cancelled 2024-11-02