Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9MJP callsign genealogy
Currently held by Phillips, 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 W9MJP's current licensee, walking backwards.
- Phillips, Matthew JALgranted 2012-06-22cancelled 2012-07-10
Successor callsigns
Callsigns held now by people who previously held W9MJP.
No current licensee on record previously held this callsign.