Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AA1O callsign genealogy
Currently held by Taylor, Cohen G
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 AA1O's current licensee, walking backwards.
- Taylor, Cohen GVAgranted 2020-08-24cancelled 2025-06-03
Successor callsigns
Callsigns held now by people who previously held AA1O.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AA1O, oldest first.
- Churchill Jr, William P MA2017-08-22 → cancelled 2023-05-15
- Taylor, Cohen G VA2025-06-03 active