Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AI6O callsign genealogy
Currently held by HADLEY, JOHN C
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 AI6O's current licensee, walking backwards.
- Felter, Edwin HCAgranted 1996-07-26cancelled 2002-07-02
- KE3LHno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held AI6O.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AI6O, oldest first.
- HADLEY, JOHN C CA1990-02-13 → cancelled 2002-03-07
- FELTER, EDWIN H MO2022-04-04 active