Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD4LEO callsign genealogy
Currently held by Mitchell, Leonard L
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 KD4LEO's current licensee, walking backwards.
- Mitchell, Leonard LILgranted 2023-04-01cancelled 2023-10-11
Successor callsigns
Callsigns held now by people who previously held KD4LEO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD4LEO, oldest first.
- MORGAN JR, LEONARD L TN2001-12-14 → cancelled 2014-03-11
- Mitchell, Leonard L IL2023-10-11 active