Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KF8XO callsign genealogy
Currently held by ZIMNICKAS, JEFFREY 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 KF8XO's current licensee, walking backwards.
- N8LYWno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KF8XO.
- ZIMNICKAS, JEFFREY TMIgranted 2020-03-24