Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB9YHH callsign genealogy
Currently held by Butler, Charles R
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 KB9YHH's current licensee, walking backwards.
- BUTLER, CHARLES RINgranted 1990-12-24cancelled 2000-11-01
Successor callsigns
Callsigns held now by people who previously held KB9YHH.
- Butler, Charles RINgranted 2021-07-06