Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KM4KYI callsign genealogy
Currently held by Treasure Coast Digital Amateur Radio Technologies
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 KM4KYI'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 KM4KYI.
- WA4TCDactiveTreasure Coast Digital Amateur Radio TechnologiesFLgranted 2025-07-10