Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB4JBT callsign genealogy
Currently held by Laviano, Richard D
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 KB4JBT's current licensee, walking backwards.
- Laviano, Richard DNCgranted 2014-03-04cancelled 2014-03-25
Successor callsigns
Callsigns held now by people who previously held KB4JBT.
- Laviano, Richard DNCgranted 2025-03-25
All historical holders
Every license row we've seen with the callsign KB4JBT, oldest first.
- Laviano, Richard D NC1995-08-03 → cancelled 2007-08-04
- Laviano, Richard D NC2024-04-10 → cancelled 2025-03-25