Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KY4TDM callsign genealogy
Currently held by Martin, Tyler D
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 KY4TDM's current licensee, walking backwards.
- Martin, Tyler DKYgranted 2008-07-17cancelled 2008-08-16
Successor callsigns
Callsigns held now by people who previously held KY4TDM.
No current licensee on record previously held this callsign.