Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4FTD callsign genealogy
Currently held by YOUNG, RONALD M
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 K4FTD's current licensee, walking backwards.
- PATTERSON, MICHAEL DTNgranted 2025-12-18cancelled 2026-03-10
Successor callsigns
Callsigns held now by people who previously held K4FTD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4FTD, oldest first.
- YOUNG, RONALD M AL1996-12-17 → cancelled 2008-12-18
- PATTERSON, MICHAEL D TN2026-03-10 active