Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WO4JCJ callsign genealogy
Currently held by JOHNSON II, JOHN C
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 WO4JCJ's current licensee, walking backwards.
- JOHNSON II, JOHN CNCgranted 2021-05-24cancelled 2021-07-02
Successor callsigns
Callsigns held now by people who previously held WO4JCJ.
No current licensee on record previously held this callsign.