Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KO4RVU callsign genealogy
Currently held by WILSON JR, DELBERT F
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 KO4RVU's current licensee, walking backwards.
- WILSON JR, DELBERT FKYgranted 2011-11-30cancelled 2021-07-12
Successor callsigns
Callsigns held now by people who previously held KO4RVU.
- WILSON JR, DELBERT FKYgranted 2021-07-31