Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4NJS callsign genealogy
Currently held by BURDETTE, BILLY H
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 K4NJS's current licensee, walking backwards.
- Sigler, Jason AFLgranted 2016-12-13cancelled 2020-12-18
Successor callsigns
Callsigns held now by people who previously held K4NJS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4NJS, oldest first.
- BURDETTE, BILLY H SC2004-09-28 → cancelled 2016-10-25
- Sigler, Jason A OH2020-12-18 active