Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0IZZ callsign genealogy
Currently held by CHAMPION, TODD E
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 K0IZZ's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held K0IZZ.
- champion, toddFLgranted 2026-03-10