Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K7DUF callsign genealogy
Currently held by Dufner, Erik A
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 K7DUF's current licensee, walking backwards.
- Dufner, Erik AMTgranted 2002-05-01cancelled 2002-11-08
Successor callsigns
Callsigns held now by people who previously held K7DUF.
No current licensee on record previously held this callsign.