Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AA1UO callsign genealogy
Currently held by CAPUANO, MARK A
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 AA1UO's current licensee, walking backwards.
- CAPUANO, MARK Acancelled 1999-08-05
Successor callsigns
Callsigns held now by people who previously held AA1UO.
No current licensee on record previously held this callsign.