Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NN4JB callsign genealogy
Currently held by BARTON, JAMES M
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 NN4JB's current licensee, walking backwards.
- BARTON, JAMES MNCgranted 1997-01-28cancelled 2000-02-26
Successor callsigns
Callsigns held now by people who previously held NN4JB.
No current licensee on record previously held this callsign.