Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4MTC callsign genealogy
Currently held by McKeever, Timothy 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 K4MTC's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held K4MTC.
No current licensee on record previously held this callsign.