Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD8FI callsign genealogy
Currently held by COOPER JR, LEONARD 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 KD8FI's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KD8FI.
All historical holders
Every license row we've seen with the callsign KD8FI, oldest first.
- COOPER JR, LEONARD E OH1993-06-01 → cancelled 2003-04-15
- COOPER JR, LEONARD E OH2021-02-23 → cancelled 2021-09-11