Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K3JEF callsign genealogy
Currently held by MARSHALL, JEFF
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 K3JEF's current licensee, walking backwards.
- MARSHALL, JEFFREY WMDgranted 1992-11-10cancelled 2002-05-21
Successor callsigns
Callsigns held now by people who previously held K3JEF.
No current licensee on record previously held this callsign.