Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9ABX callsign genealogy
Currently held by Butts, Adam C
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 K9ABX's current licensee, walking backwards.
- Butts, Adam CILgranted 2025-05-14cancelled 2025-07-15
Successor callsigns
Callsigns held now by people who previously held K9ABX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9ABX, oldest first.
- BERTRAND, GLENN M FL2011-07-02 → cancelled 2023-07-12
- Butts, Adam C IL2025-07-15 active