Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AG6O callsign genealogy
Currently held by GARLINGTON, BRIAN K
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 AG6O's current licensee, walking backwards.
- GARLINGTON, BRIAN KCAgranted 2018-02-16cancelled 2018-08-21
Successor callsigns
Callsigns held now by people who previously held AG6O.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AG6O, oldest first.
- SHADER, FRED G CA2006-10-02 → cancelled 2018-08-01
- GARLINGTON, BRIAN K CA2018-08-21 active