Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KM4TCD callsign genealogy
Currently held by DENEEN, TIMOTHY C
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 KM4TCD's current licensee, walking backwards.
- DENEEN, TIMOTHY CFLgranted 2014-08-27cancelled 2014-09-20
Successor callsigns
Callsigns held now by people who previously held KM4TCD.
No current licensee on record previously held this callsign.