Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9DMZ callsign genealogy
Currently held by Nadeau, Mark 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 K9DMZ's current licensee, walking backwards.
- Nadeau, Mark AMNgranted 2013-04-09cancelled 2016-05-03
Successor callsigns
Callsigns held now by people who previously held K9DMZ.
No current licensee on record previously held this callsign.