Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6BT callsign genealogy
Currently held by VALLETTE, ROBERT 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 K6BT's current licensee, walking backwards.
- Seidel Jr, Robert ECAgranted 2023-07-26cancelled 2025-06-21
Successor callsigns
Callsigns held now by people who previously held K6BT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6BT, oldest first.
- VALLETTE, ROBERT M CA2013-03-08 → cancelled 2025-06-03
- Seidel Jr, Robert E CA2025-06-21 active