Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5MPM callsign genealogy
Currently held by MAY, MATTHEW P
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 W5MPM's current licensee, walking backwards.
- MAY, MATTHEW PTXgranted 2006-04-25cancelled 2009-08-18
Successor callsigns
Callsigns held now by people who previously held W5MPM.
No current licensee on record previously held this callsign.