Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9DDI callsign genealogy
Currently held by FALK, KENNETH A
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 K9DDI's current licensee, walking backwards.
- MIOSI, MICHAEL WAZgranted 2022-03-22cancelled 2023-09-23
Successor callsigns
Callsigns held now by people who previously held K9DDI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9DDI, oldest first.
- FALK, KENNETH A IL2010-01-27 → cancelled 2022-04-19
- MIOSI, MICHAEL W AZ2023-09-23 active