Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD7YTM callsign genealogy
Currently held by Seattle Skywarn Radio Club
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 KD7YTM'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 KD7YTM.
- WX7SEAactiveSeattle Skywarn Radio ClubWAgranted 2025-12-05