Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA7MRC callsign genealogy
Currently held by Coelho, 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 KA7MRC's current licensee, walking backwards.
- Coelho, Matthew JAZgranted 2018-06-25cancelled 2018-07-14
Successor callsigns
Callsigns held now by people who previously held KA7MRC.