Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AA6XO callsign genealogy
Currently held by GILLISON, DOUGLAS 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 AA6XO's current licensee, walking backwards.
- GILLISON, DOUGLAS RCAgranted 2021-02-27cancelled 2021-03-19
Successor callsigns
Callsigns held now by people who previously held AA6XO.
- GILLISON, DOUGLAS RCAgranted 2021-02-27cancelled 2021-03-19
All historical holders
Every license row we've seen with the callsign AA6XO, oldest first.
- GILLISON, DOUGLAS R CA2019-04-23 → cancelled 2021-02-27
- GILLISON, DOUGLAS R CA2021-03-19 active