Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9MTN callsign genealogy
Currently held by Domingo, Glenn
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 K9MTN's current licensee, walking backwards.
- Domingo, GlennORgranted 2024-02-23cancelled 2024-03-12
Successor callsigns
Callsigns held now by people who previously held K9MTN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9MTN, oldest first.
- WARREN, MICHAEL S NM2010-05-15 → cancelled 2022-05-17
- Domingo, Glenn OR2024-03-12 active