Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4MTN callsign genealogy
Currently held by WEST, TERRY
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 K4MTN's current licensee, walking backwards.
- Rowser, BrentUTgranted 2024-12-11cancelled 2024-12-31
Successor callsigns
Callsigns held now by people who previously held K4MTN.
- WR4AMSexpiredMOUNTAIN EMERGENCY NETWORKKYgranted 2009-10-14cancelled 2021-06-03
All historical holders
Every license row we've seen with the callsign K4MTN, oldest first.
- STOY, ANDREW L NC2012-10-12 → cancelled 2024-12-04
- Rowser, Brent UT2024-12-31 active
- WEST, TERRY— → cancelled 1999-06-02