Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB4CSI callsign genealogy
Currently held by BERG, KENT 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 KB4CSI's current licensee, walking backwards.
- BERG, KENT ASCgranted 2004-03-09cancelled 2004-04-06
Successor callsigns
Callsigns held now by people who previously held KB4CSI.
No current licensee on record previously held this callsign.