Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KA7DUF callsign genealogy
Currently held by KIRK, JESSE 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 KA7DUF's current licensee, walking backwards.
- Kirk, Jesse DORgranted 2015-11-12cancelled 2016-01-16
Successor callsigns
Callsigns held now by people who previously held KA7DUF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA7DUF, oldest first.
- KIRK, MARTIN P OR2005-11-29 → cancelled 2013-01-27
- KIRK, JESSE D OR2016-01-16 active