Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N7JEF callsign genealogy
Currently held by Klupenger, Jeff 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 N7JEF's current licensee, walking backwards.
- Klupenger, Jeff DORgranted 2000-12-27cancelled 2001-01-20
Successor callsigns
Callsigns held now by people who previously held N7JEF.
No current licensee on record previously held this callsign.