Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KE4O callsign genealogy
Currently held by WEINER, LEO B
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 KE4O's current licensee, walking backwards.
- EMMITT, DAVID BKYgranted 2014-08-19cancelled 2019-06-08
Successor callsigns
Callsigns held now by people who previously held KE4O.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KE4O, oldest first.
- WEINER, LEO B FL2007-03-17 → cancelled 2019-05-21
- EMMITT, DAVID B KY2019-06-08 active