Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NA4J callsign genealogy
Currently held by WATSON, JOHNIE R
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 NA4J's current licensee, walking backwards.
- SARFERT, JAMES CNCgranted 2014-01-30cancelled 2018-11-24
Successor callsigns
Callsigns held now by people who previously held NA4J.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NA4J, oldest first.
- WATSON, JOHNIE R KY2006-08-08 → cancelled 2018-11-06
- SARFERT, JAMES C NC2018-11-24 active