Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB9FZZ callsign genealogy
Currently held by CURRY, RYAN S
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 KB9FZZ's current licensee, walking backwards.
- HOFERICA, MARKILgranted 2024-06-13cancelled 2024-07-02
Successor callsigns
Callsigns held now by people who previously held KB9FZZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB9FZZ, oldest first.
- CURRY, RYAN S IL1991-01-15 → cancelled 2003-01-16
- HOFERICA, MARK IL2024-07-02 active