Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0USQ callsign genealogy
Currently held by Wilken, Christopher 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 K0USQ's current licensee, walking backwards.
- Wilken, Christopher WMNgranted 1996-11-27cancelled 2004-02-18
Successor callsigns
Callsigns held now by people who previously held K0USQ.
- Wilken, Christopher WIAgranted 2023-04-28