Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4KBA callsign genealogy
Currently held by Vinroot, Charles A
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 K4KBA's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held K4KBA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4KBA, oldest first.
- Vinroot, Charles A VA2008-06-25 → cancelled 2020-08-06
- NAZARIO, JONATHAN FL2020-11-28 active