Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K8JEK callsign genealogy
Currently held by Kollar, John E
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 K8JEK's current licensee, walking backwards.
- Kollar, John EOHgranted 2019-12-10cancelled 2020-01-04
Successor callsigns
Callsigns held now by people who previously held K8JEK.
No current licensee on record previously held this callsign.