Confidence: Medium · Source: FCC ULS · As of 2026-09-09
W4XMM callsign genealogy
Currently held by Morgan, Michael B
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 W4XMM's current licensee, walking backwards.
- Morgan, Michael BSCgranted 2009-02-18cancelled 2012-11-10
Successor callsigns
Callsigns held now by people who previously held W4XMM.
No current licensee on record previously held this callsign.