Confidence: Medium · Source: FCC ULS · As of 2026-09-11
KB4D callsign genealogy
Currently held by NICKS JR, JAMES A
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 KB4D's current licensee, walking backwards.
- Gilchrist, Jeremy DNCgranted 2018-02-16cancelled 2024-10-18
Successor callsigns
Callsigns held now by people who previously held KB4D.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB4D, oldest first.
- NICKS JR, JAMES A NC2019-05-21 → cancelled 2022-09-28
- Gilchrist, Jeremy D NC2024-10-18 active