Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7DUN callsign genealogy
Currently held by Duncan, David 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 K7DUN's current licensee, walking backwards.
- Duncan, David AORgranted 2015-02-17cancelled 2017-09-08
Successor callsigns
Callsigns held now by people who previously held K7DUN.
No current licensee on record previously held this callsign.