Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC0YX callsign genealogy
Currently held by PRETZ, ALLEN 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 AC0YX's current licensee, walking backwards.
- PRETZ, ALLEN EIAgranted 2010-02-04cancelled 2012-02-01
Successor callsigns
Callsigns held now by people who previously held AC0YX.
No current licensee on record previously held this callsign.