Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AA6YY callsign genealogy
Currently held by Iyobe, Norio
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 AA6YY's current licensee, walking backwards.
- Iyobe, NorioCAgranted 2023-03-14cancelled 2023-06-23
Successor callsigns
Callsigns held now by people who previously held AA6YY.
- Iyobe, NorioCAgranted 2025-07-05
All historical holders
Every license row we've seen with the callsign AA6YY, oldest first.
- FISCHER, HELMUTH F CA2010-12-07 → cancelled 2022-12-08
- Iyobe, Norio CA2023-06-23 → cancelled 2025-07-05