Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD0TY callsign genealogy
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 KD0TY'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 KD0TY.
- MASAK JR, RICHARD WMNgranted 1997-10-07cancelled 2006-11-25