Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W5MIO callsign genealogy
Currently held by Antonetti, Mario J
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 W5MIO's current licensee, walking backwards.
- Antonetti, Mario JTXgranted 2014-03-28cancelled 2023-12-01
Successor callsigns
Callsigns held now by people who previously held W5MIO.
No current licensee on record previously held this callsign.