Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AC9YO callsign genealogy
Currently held by NASTASE, MARCEL E
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 AC9YO's current licensee, walking backwards.
- NASTASE, MARCEL EILgranted 2016-06-21cancelled 2017-11-14
Successor callsigns
Callsigns held now by people who previously held AC9YO.
No current licensee on record previously held this callsign.