Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KM7DUZ callsign genealogy
Currently held by Interstate Amateur Repeater Group
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 KM7DUZ's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KM7DUZ.
- WA7FUNactiveInterstate Amateur Repeater GroupWAgranted 2026-02-03