Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NO4MH callsign genealogy
Currently held by Hopple, Matthew 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 NO4MH's current licensee, walking backwards.
- Hopple, Matthew JFLgranted 2013-07-08cancelled 2015-07-07
Successor callsigns
Callsigns held now by people who previously held NO4MH.
No current licensee on record previously held this callsign.