Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AA3OO callsign genealogy
Currently held by Spain, Timothy L
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 AA3OO's current licensee, walking backwards.
- Spain, Timothy LMOgranted 2025-07-16cancelled 2025-08-16
Successor callsigns
Callsigns held now by people who previously held AA3OO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AA3OO, oldest first.
- MARTIN, GALEN W PA2001-06-19 → cancelled 2013-09-04
- Spain, Timothy L MO2025-08-16 active