Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC4QFD callsign genealogy
Currently held by HARDING, LUKE F
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 KC4QFD's current licensee, walking backwards.
- Harding, Luke FSCgranted 2024-04-26cancelled 2024-05-17
Successor callsigns
Callsigns held now by people who previously held KC4QFD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC4QFD, oldest first.
- HARDING, LUKE F VA1991-06-25 → cancelled 2003-06-26
- Harding, Luke F SC2024-05-17 active