Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AA4YV callsign genealogy
Currently held by Maruyama, Yoshiaki
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 AA4YV's current licensee, walking backwards.
- Maruyama, YoshiakiTXgranted 2013-10-18cancelled 2013-11-09
Successor callsigns
Callsigns held now by people who previously held AA4YV.
No current licensee on record previously held this callsign.