Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4BLJ callsign genealogy
Currently held by Johns, Bernard L
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 K4BLJ's current licensee, walking backwards.
- Johns, Bernard LFLgranted 2016-02-02cancelled 2016-03-01
Successor callsigns
Callsigns held now by people who previously held K4BLJ.
No current licensee on record previously held this callsign.