Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KF4ZB callsign genealogy
Currently held by KELLEY, JEFFERY R
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 KF4ZB's current licensee, walking backwards.
- N4FMYno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KF4ZB.
- Kelley, Jeffery RGAgranted 2010-01-28cancelled 2022-02-02