Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD0TRM callsign genealogy
Currently held by Minnesota Amateur Radio Technical Society
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 KD0TRM'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 KD0TRM.
- AA0MNactiveMinnesota Amateur Radio Technical SocietyMNgranted 2023-02-08