Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KF4WHD callsign genealogy
Currently held by HEMPHILL, JEFFERY N
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 KF4WHD's current licensee, walking backwards.
- HEMPHILL, JEFFERY Ncancelled 1998-03-09
Successor callsigns
Callsigns held now by people who previously held KF4WHD.
- HEMPHILL, JEFFERY NNCgranted 2024-07-12