Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF9CB callsign genealogy
Currently held by ZUERCHER, JOSEPH C
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 KF9CB's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KF9CB.
No current licensee on record previously held this callsign.