Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4IJK callsign genealogy
Currently held by Knight, Isaiah J
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 N4IJK's current licensee, walking backwards.
- Knight, Isaiah JVAgranted 2020-04-06cancelled 2020-08-21
Successor callsigns
Callsigns held now by people who previously held N4IJK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4IJK, oldest first.
- KNIGHT, F COYNE FL1997-12-18 → cancelled 2009-12-19
- Knight, Isaiah J VA2020-08-21 active