Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KB9SVT callsign genealogy
Currently held by Chase, William J
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 KB9SVT's current licensee, walking backwards.
- CHASE, WILLIAM Jcancelled 1998-05-19
Successor callsigns
Callsigns held now by people who previously held KB9SVT.
- Chase, William JILgranted 2011-04-20cancelled 2023-06-09