Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KT9MT callsign genealogy
Currently held by Tangwall, Marcia 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 KT9MT's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KT9MT.
No current licensee on record previously held this callsign.