Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4LJT callsign genealogy
Currently held by Trudeau, Leonard 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 N4LJT's current licensee, walking backwards.
- Trudeau, Leonard JFLgranted 2020-07-15cancelled 2020-12-22
Successor callsigns
Callsigns held now by people who previously held N4LJT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4LJT, oldest first.
- SMITH, RONALD C NC2004-11-04 → cancelled 2016-11-05
- Trudeau, Leonard J MI2020-12-22 active