Confidence: Medium · Source: FCC ULS · As of 2026-09-09
W1AOA callsign genealogy
Currently held by Maruyama, Shugo
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 W1AOA's current licensee, walking backwards.
- Maruyama, ShugoCTgranted 2012-09-25cancelled 2012-10-27
Successor callsigns
Callsigns held now by people who previously held W1AOA.
No current licensee on record previously held this callsign.