Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AF9Q callsign genealogy
Currently held by Zajac, Matt
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 AF9Q's current licensee, walking backwards.
- zajac, MattWIgranted 2019-10-22cancelled 2020-07-11
Successor callsigns
Callsigns held now by people who previously held AF9Q.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AF9Q, oldest first.
- Offutt, Warren B NM2014-03-13 → cancelled 2017-10-20
- Zajac, Matt WI2020-07-11 active