Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC9YX callsign genealogy
Currently held by LUPER, JEFFREY K
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 AC9YX's current licensee, walking backwards.
- LUPER, JEFFREY KILgranted 2015-01-08cancelled 2021-05-29
Successor callsigns
Callsigns held now by people who previously held AC9YX.
No current licensee on record previously held this callsign.