Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AA3TU callsign genealogy
Currently held by COULSON SR, DONALD T
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 AA3TU's current licensee, walking backwards.
- COULSON SR, DONALD TPAgranted 1995-06-07cancelled 2000-05-16
Successor callsigns
Callsigns held now by people who previously held AA3TU.
No current licensee on record previously held this callsign.