Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD4SJC callsign genealogy
Currently held by Colvard, Sherald 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 KD4SJC's current licensee, walking backwards.
- Colvard, Sherald JGAgranted 2022-12-15cancelled 2023-02-22
Successor callsigns
Callsigns held now by people who previously held KD4SJC.
No current licensee on record previously held this callsign.