Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF4DLF callsign genealogy
Currently held by FIFER 617, DAVID 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 KF4DLF's current licensee, walking backwards.
- FIFER, DAVID LVAgranted 2007-09-19cancelled 2013-08-02
Successor callsigns
Callsigns held now by people who previously held KF4DLF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KF4DLF, oldest first.
- BUDD, HOWARD H FL1995-09-21 → cancelled 2007-09-22
- FIFER 617, DAVID L VA2013-08-02 → cancelled 2025-08-05