Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KI4DE callsign genealogy
Currently held by FISHER, EMMETT 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 KI4DE's current licensee, walking backwards.
- DIEHL, MICHAEL EFLgranted 2024-02-22cancelled 2024-12-28
Successor callsigns
Callsigns held now by people who previously held KI4DE.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KI4DE, oldest first.
- FISHER, EMMETT J FL1988-12-06 → cancelled 2000-12-07
- DIEHL, MICHAEL E FL2024-12-28 active