Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC9UU callsign genealogy
Currently held by BRESLAUER, DONALD J
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 AC9UU's current licensee, walking backwards.
- BRESLAUER, DONALD JILgranted 2019-03-27cancelled 2019-04-25
Successor callsigns
Callsigns held now by people who previously held AC9UU.
No current licensee on record previously held this callsign.