Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1MKY callsign genealogy
Currently held by DUrso III, Francis J
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 K1MKY's current licensee, walking backwards.
- DUrso III, Francis JAZgranted 2024-04-05cancelled 2025-05-10
Successor callsigns
Callsigns held now by people who previously held K1MKY.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1MKY, oldest first.
- Janacek II, Michael J CT2013-02-12 → cancelled 2025-02-13
- DUrso III, Francis J AZ2025-05-10 active