Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KO4EJE callsign genealogy
Currently held by ENTSMINGER, EDMOND J
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 KO4EJE's current licensee, walking backwards.
- ENTSMINGER, EDMOND JVAgranted 2019-11-22cancelled 2020-02-28
Successor callsigns
Callsigns held now by people who previously held KO4EJE.
No current licensee on record previously held this callsign.