Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3UUM callsign genealogy
Currently held by POWELL, MATT T
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 W3UUM's current licensee, walking backwards.
- POWELL, MATT Tcancelled 1998-01-22
Successor callsigns
Callsigns held now by people who previously held W3UUM.
No current licensee on record previously held this callsign.