Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W0WKU callsign genealogy
Currently held by KROSS, MATTHEW B
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 W0WKU's current licensee, walking backwards.
- KROSS, MATTHEW BKSgranted 2014-01-22cancelled 2022-04-29
Successor callsigns
Callsigns held now by people who previously held W0WKU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0WKU, oldest first.
- WILSON, KENT L MO1997-05-28 → cancelled 2009-04-25
- KROSS, MATTHEW B KS2022-04-29 active