Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K5TMT callsign genealogy
Currently held by THEIS, MATTHEW A
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 K5TMT's current licensee, walking backwards.
- THEIS, MATTHEW ATXgranted 2016-02-29cancelled 2017-03-12
Successor callsigns
Callsigns held now by people who previously held K5TMT.
No current licensee on record previously held this callsign.