Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7AOK callsign genealogy
Currently held by MESSER, WILLIAM C
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 K7AOK's current licensee, walking backwards.
- BROUILLARD, RAYMOND EWAgranted 2003-01-16cancelled 2006-04-15
Successor callsigns
Callsigns held now by people who previously held K7AOK.
- BROUILLARD, RAYMOND ENVgranted 2024-07-13
All historical holders
Every license row we've seen with the callsign K7AOK, oldest first.
- MESSER, WILLIAM C OR1987-11-24 → cancelled 1999-11-25
- BROUILLARD, RAYMOND E NV2016-03-02 → cancelled 2024-07-13