Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB9YGK callsign genealogy
Currently held by NAPERVILLE POLICE DEPARTMENT AMATEUR RADIO CLUB
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 KB9YGK's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KB9YGK.
- W9NPDactiveNAPERVILLE POLICE DEPARTMENT AMATEUR RADIO CLUBILgranted 2020-11-07