Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB4IAN callsign genealogy
Currently held by Blease, Brian
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 KB4IAN's current licensee, walking backwards.
- Trent, IanVAgranted 2025-05-07cancelled 2025-05-28
Successor callsigns
Callsigns held now by people who previously held KB4IAN.
- Blease, BrianSCgranted 2020-12-05
All historical holders
Every license row we've seen with the callsign KB4IAN, oldest first.
- Blease, Brian SC2012-08-03 → cancelled 2020-12-05
- Trent, Ian VA2025-05-28 active