Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K3KO callsign genealogy
Currently held by ALSOP, BRIAN H
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 K3KO's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held K3KO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K3KO, oldest first.
- ALSOP, BRIAN H FL2010-10-12 → cancelled 2023-01-04
- OTTO, CHRISTIAN J IL2023-01-27 active