Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9MJC callsign genealogy
Currently held by Crier, Mathew 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 K9MJC's current licensee, walking backwards.
- Crier, Mathew JWIgranted 2009-06-25cancelled 2009-07-17
Successor callsigns
Callsigns held now by people who previously held K9MJC.
No current licensee on record previously held this callsign.