Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9MCX callsign genealogy
Currently held by North, John
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 W9MCX's current licensee, walking backwards.
- North, JohnILgranted 2016-03-03cancelled 2016-03-22
Successor callsigns
Callsigns held now by people who previously held W9MCX.
No current licensee on record previously held this callsign.