Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KN4WC callsign genealogy
Currently held by COOK, CHARLES M
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 KN4WC's current licensee, walking backwards.
- COOK, CHARLES MNCgranted 2014-02-10cancelled 2014-08-30
Successor callsigns
Callsigns held now by people who previously held KN4WC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KN4WC, oldest first.
- COOK, CHARLES M NC1998-01-05 → cancelled 2010-01-06
- COOK, CHARLES M NC2014-08-30 → cancelled 2026-09-03