Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NC4DC callsign genealogy
Currently held by SPRAGUE, DAVID M
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 NC4DC's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held NC4DC.
No current licensee on record previously held this callsign.