Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC9QQ callsign genealogy
Currently held by ZYSKOWSKI, MICHAEL 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 AC9QQ's current licensee, walking backwards.
- ZYSKOWSKI, MICHAEL EILgranted 2016-06-08cancelled 2017-05-22
Successor callsigns
Callsigns held now by people who previously held AC9QQ.
- ZYSKOWSKI, MICHAEL EILgranted 2017-06-10