Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4NJW callsign genealogy
Currently held by KNIGHT, JONATHAN 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 N4NJW's current licensee, walking backwards.
- Warren, Nancy JSCgranted 2019-12-10cancelled 2019-12-27
Successor callsigns
Callsigns held now by people who previously held N4NJW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4NJW, oldest first.
- KNIGHT, JONATHAN R FL1995-11-28 → cancelled 2007-11-29
- Warren, Nancy J SC2019-12-27 active