Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC4LEO callsign genealogy
Currently held by HENDERSON, LEO
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 KC4LEO's current licensee, walking backwards.
- Henderson, Leo BVAgranted 2005-11-14cancelled 2006-01-10
Successor callsigns
Callsigns held now by people who previously held KC4LEO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC4LEO, oldest first.
- GUST, MICHAEL A FL1990-03-06 → cancelled 2002-03-07
- HENDERSON, LEO VA2015-10-19 active