Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W0XXM callsign genealogy
Currently held by Montoya, Michael R
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 W0XXM's current licensee, walking backwards.
- Montoya, Michael RCOgranted 2023-10-25cancelled 2023-11-14
Successor callsigns
Callsigns held now by people who previously held W0XXM.
No current licensee on record previously held this callsign.