Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4WBJ callsign genealogy
Currently held by MELVIN, JONATHAN 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 N4WBJ's current licensee, walking backwards.
- Johnson, Warner BFLgranted 2002-12-19cancelled 2003-03-22
Successor callsigns
Callsigns held now by people who previously held N4WBJ.
All historical holders
Every license row we've seen with the callsign N4WBJ, oldest first.
- MELVIN, JONATHAN A NC1999-02-11 → cancelled 2000-04-04
- Johnson, Warner B FL2003-03-22 → cancelled 2009-11-24