Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB4SVA callsign genealogy
Currently held by STILLMAN, TONY B
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 KB4SVA's current licensee, walking backwards.
- Stillman, Tony BINgranted 2015-11-10cancelled 2017-02-04
Successor callsigns
Callsigns held now by people who previously held KB4SVA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB4SVA, oldest first.
- STILLMAN, TONY B FL1996-02-05 → cancelled 2008-02-06
- Stillman, Tony B IN2017-02-04 active