Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7QWN callsign genealogy
Currently held by Protzek Jr, William L
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 K7QWN's current licensee, walking backwards.
- PROTZEK JR, WILLIAM LORgranted 2008-09-17cancelled 2010-09-03
Successor callsigns
Callsigns held now by people who previously held K7QWN.
No current licensee on record previously held this callsign.