Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB9AA callsign genealogy
Currently held by JOLLY, ALAN 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 KB9AA's current licensee, walking backwards.
- JOLLY, ALAN CILgranted 2019-12-03cancelled 2023-04-29
Successor callsigns
Callsigns held now by people who previously held KB9AA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB9AA, oldest first.
- FRANTZ, CLYDE E IL1998-07-24 → cancelled 2010-07-27
- JOLLY, ALAN C IL2023-04-29 active