Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KF4ZYO callsign genealogy
Currently held by GOSNELL II, BOBBY L
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 KF4ZYO'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 KF4ZYO.
- GOSNELL II, BOBBY LSCgranted 1998-09-01cancelled 2008-01-16