Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC0WWK callsign genealogy
Currently held by Green, Brock K
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 KC0WWK's current licensee, walking backwards.
- Green, Brock KMOgranted 2024-04-26cancelled 2024-05-14
Successor callsigns
Callsigns held now by people who previously held KC0WWK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC0WWK, oldest first.
- Green, Brock K MO2006-05-30 → cancelled 2018-05-31
- Green, Brock K MO2024-05-14 active