Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB9WWV callsign genealogy
Currently held by Oleniczak, Kevin J
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 KB9WWV's current licensee, walking backwards.
- Hamilton, Brian JWIgranted 2021-03-19cancelled 2024-02-13
Successor callsigns
Callsigns held now by people who previously held KB9WWV.
- Oleniczak, Kevin JILgranted 2010-09-14cancelled 2012-09-28
All historical holders
Every license row we've seen with the callsign KB9WWV, oldest first.
- Oleniczak, Kevin J IL2000-08-19 → cancelled 2008-06-27
- Hamilton, Brian J WI2024-02-13 active