Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KW4JBJ callsign genealogy
Currently held by Johnson, Walter 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 KW4JBJ's current licensee, walking backwards.
- Johnson, Walter JALgranted 2014-12-19cancelled 2015-08-08
Successor callsigns
Callsigns held now by people who previously held KW4JBJ.
No current licensee on record previously held this callsign.