Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K3EI callsign genealogy
Currently held by Leasure, William 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 K3EI's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held K3EI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K3EI, oldest first.
- Leasure, William E MD2005-09-02 → cancelled 2017-11-29
- Lidstrom, Derek R ND2017-12-19 active