Confidence: Medium · Source: FCC ULS · As of 2026-09-11
KB3JAI callsign genealogy
Currently held by OLIVER, THOMAS M
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 KB3JAI's current licensee, walking backwards.
- OLIVER, THOMAS MPAgranted 1997-01-16cancelled 2003-01-25
- N4UPOno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KB3JAI.
- Oliver, Thoms MVTgranted 2024-11-05cancelled 2026-06-23