Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB4CWJ callsign genealogy
Currently held by Johnson Jr, Cecil W
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 KB4CWJ's current licensee, walking backwards.
- Johnson Jr, Cecil WGAgranted 2020-11-16cancelled 2020-12-05
Successor callsigns
Callsigns held now by people who previously held KB4CWJ.
No current licensee on record previously held this callsign.