Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K7NVY callsign genealogy
Currently held by KOWALISKI, KENNETH W
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 K7NVY's current licensee, walking backwards.
- Koch, William AWAgranted 2009-01-23cancelled 2009-02-14
Successor callsigns
Callsigns held now by people who previously held K7NVY.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7NVY, oldest first.
- KOWALISKI, KENNETH W AZ1996-07-02 → cancelled 2008-07-03
- Koch, William A WA2019-02-05 active