Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0WLO callsign genealogy
Currently held by BROSS, WILBUR L
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 K0WLO's current licensee, walking backwards.
- OLIVER, WAYNE LMNgranted 2020-01-07cancelled 2020-03-24
Successor callsigns
Callsigns held now by people who previously held K0WLO.
- BROSS, WILLIAM LTXgranted 2022-11-09
All historical holders
Every license row we've seen with the callsign K0WLO, oldest first.
- BROSS, WILBUR L IA1998-12-09 → cancelled 2002-05-28
- OLIVER, WAYNE L MN2020-03-24 active