Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF4ZEO callsign genealogy
Currently held by Dybka, Jill T
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 KF4ZEO'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 KF4ZEO.
- Dybka, Jill TTNgranted 2014-05-20cancelled 2021-03-30