Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KJ3DI callsign genealogy
Currently held by Cooper, Jay S
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 KJ3DI's current licensee, walking backwards.
- Cooper, Jay SNEgranted 2019-10-08cancelled 2019-10-27
Successor callsigns
Callsigns held now by people who previously held KJ3DI.
No current licensee on record previously held this callsign.