Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB0IT callsign genealogy
Currently held by THOMPSON, IAN S
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 KB0IT's current licensee, walking backwards.
- THOMPSON, IAN SCOgranted 2019-05-24cancelled 2020-09-19
Successor callsigns
Callsigns held now by people who previously held KB0IT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB0IT, oldest first.
- Michael, Lloyd L MO2004-04-26 → cancelled 2007-07-10
- THOMPSON, IAN S CO2020-09-19 active