Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9DTM callsign genealogy
Currently held by Fils, Johnny
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 K9DTM's current licensee, walking backwards.
- Fils, JohnnyKYgranted 2007-05-21cancelled 2016-06-18
Successor callsigns
Callsigns held now by people who previously held K9DTM.
- Fils, JohnnyKYgranted 2021-06-25