Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1MCH callsign genealogy
Currently held by Heinze, Matthew C
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 W1MCH's current licensee, walking backwards.
- Heinze, Matthew CNCgranted 2013-07-12cancelled 2015-07-11
Successor callsigns
Callsigns held now by people who previously held W1MCH.
No current licensee on record previously held this callsign.