Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AF1Y callsign genealogy
Currently held by YOKOYAMA, AKIRA
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 AF1Y's current licensee, walking backwards.
- YOKOYAMA, AKIRAFLgranted 2014-04-30cancelled 2014-05-20
Successor callsigns
Callsigns held now by people who previously held AF1Y.
- COAN, EDWARD MHIgranted 2000-04-04cancelled 2009-01-18
All historical holders
Every license row we've seen with the callsign AF1Y, oldest first.
- BOLDUC, ARTHUR J NC2002-04-30 → cancelled 2014-05-01
- YOKOYAMA, AKIRA FL2024-03-13 active