Confidence: Medium · Source: FCC ULS · As of 2026-09-11
W4MAS callsign genealogy
Currently held by Mason, Gerald L
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 W4MAS's current licensee, walking backwards.
- Mason, Gerald LGAgranted 2018-03-16cancelled 2018-12-14
Successor callsigns
Callsigns held now by people who previously held W4MAS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4MAS, oldest first.
- DOWDEY, HARVEY N SC2006-11-30 → cancelled 2016-11-24
- Mason, Gerald L GA2018-12-14 active