Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KN4ZBC callsign genealogy
Currently held by Given, Jeffrey S
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 KN4ZBC's current licensee, walking backwards.
- Given, Jeffrey SNCgranted 2019-09-24
Successor callsigns
Callsigns held now by people who previously held KN4ZBC.
- Given, Jeffrey SNCgranted 2019-09-24