Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AA9HF callsign genealogy
Currently held by HAYASHI, MICHIO
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 AA9HF's current licensee, walking backwards.
- KF9ODno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held AA9HF.
No current licensee on record previously held this callsign.