Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4MHT callsign genealogy
Currently held by Thompson, Matthew H
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 K4MHT's current licensee, walking backwards.
- Thompson, MatthewNCgranted 2026-04-07cancelled 2026-04-25
Successor callsigns
Callsigns held now by people who previously held K4MHT.
No current licensee on record previously held this callsign.