Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KE4KNW callsign genealogy
Currently held by WILKINS, MARK E
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 KE4KNW's current licensee, walking backwards.
- Ferguson, William COKgranted 2022-03-25cancelled 2022-04-29
Successor callsigns
Callsigns held now by people who previously held KE4KNW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KE4KNW, oldest first.
- WILKINS, MARK E TN1994-03-29 → cancelled 2006-03-30
- Ferguson, William C OK2022-04-29 active