Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3BI callsign genealogy
Currently held by TOROPIN, VALERY I
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 K3BI's current licensee, walking backwards.
- TAKAYANAGI, KEIILgranted 2010-08-03cancelled 2010-12-28
Successor callsigns
Callsigns held now by people who previously held K3BI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K3BI, oldest first.
- TOROPIN, VALERY I PA1998-12-09 → cancelled 2010-12-10
- TAKAYANAGI, KEI CA2020-10-01 active