Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC7MI callsign genealogy
Currently held by Cook, David A
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 AC7MI's current licensee, walking backwards.
- Cook, David AWYgranted 1997-02-18cancelled 2001-03-23
Successor callsigns
Callsigns held now by people who previously held AC7MI.
- COOK, DAVID AWYgranted 2011-05-19cancelled 2023-05-20