Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9NBC callsign genealogy
Currently held by BOYLE, CHARLES W
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 K9NBC's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held K9NBC.
No current licensee on record previously held this callsign.