Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KM5CHZ callsign genealogy
Currently held by Sanchez, Mathew E
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 KM5CHZ's current licensee, walking backwards.
- Sanchez, Mathew ECAgranted 2019-01-03cancelled 2019-02-20
Successor callsigns
Callsigns held now by people who previously held KM5CHZ.
No current licensee on record previously held this callsign.