Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KK9Z callsign genealogy
Currently held by WILLIAMS, KENT A
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 KK9Z's current licensee, walking backwards.
- WILLIAMS, KENT AILgranted 1998-10-23cancelled 2001-01-03
Successor callsigns
Callsigns held now by people who previously held KK9Z.
- TINKER, MATTHEW EKYgranted 1998-09-02cancelled 2004-11-05
All historical holders
Every license row we've seen with the callsign KK9Z, oldest first.
- WILLIAMS, KENT A IL2020-10-14 active
- TINKER, MATTHEW E— → cancelled 1998-09-02