Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AA5OG callsign genealogy
Currently held by Tatro, Christopher D
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 AA5OG's current licensee, walking backwards.
- Tatro, Christopher DTXgranted 2019-04-23cancelled 2024-05-10
Successor callsigns
Callsigns held now by people who previously held AA5OG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AA5OG, oldest first.
- STILL, DICK F TX1989-10-03 → cancelled 2001-10-04
- Tatro, Christopher D TX2024-05-10 active