Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K3JSE callsign genealogy
Currently held by Cooper, William A
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 K3JSE's current licensee, walking backwards.
- Cooper, William APAgranted 1999-09-21cancelled 2004-02-10
Successor callsigns
Callsigns held now by people who previously held K3JSE.
No current licensee on record previously held this callsign.