Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0MAS callsign genealogy
Currently held by SAPP, MATTHEW A
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 W0MAS's current licensee, walking backwards.
- SAPP, MATTHEW AMOgranted 1997-03-21cancelled 2002-08-28
Successor callsigns
Callsigns held now by people who previously held W0MAS.
No current licensee on record previously held this callsign.