Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC7OZ callsign genealogy
Currently held by Duschek, Walter G
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 AC7OZ's current licensee, walking backwards.
- Duschek, Walter GUTgranted 1997-06-02cancelled 2001-10-01
Successor callsigns
Callsigns held now by people who previously held AC7OZ.
- Duschek, Walter GCAgranted 2015-03-03