Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB9I callsign genealogy
Currently held by Peterson Sr, Gregory 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 AB9I's current licensee, walking backwards.
- Peterson Sr, Gregory SINgranted 1997-07-17cancelled 2006-04-28
Successor callsigns
Callsigns held now by people who previously held AB9I.
- DAVIS, WILLIAM AVAgranted 2018-07-18
All historical holders
Every license row we've seen with the callsign AB9I, oldest first.
- Peterson Sr, Gregory S IN2026-05-12 active
- DAVIS, WILLIAM A— → cancelled 1998-09-30