Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF4SDJ callsign genealogy
Currently held by Jones, Scott D
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 KF4SDJ's current licensee, walking backwards.
- Jones, Scott DVAgranted 2021-11-18cancelled 2021-12-07
Successor callsigns
Callsigns held now by people who previously held KF4SDJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KF4SDJ, oldest first.
- WATKINS, CHARLES S FL1997-05-29 → cancelled 2009-05-30
- Jones, Scott D VA2021-12-07 active