Confidence: Medium · Source: FCC ULS · As of 2026-09-15
KI4RZE callsign genealogy
Currently held by TADLOCK, CHARLES F
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 KI4RZE's current licensee, walking backwards.
- TADLOCK, CHARLES FFLgranted 2006-09-12cancelled 2006-11-02
Successor callsigns
Callsigns held now by people who previously held KI4RZE.
- TADLOCK, CHARLES FFLgranted 2016-10-24