W3MST
Active1x3District 3
Competitive callsign — 1 application filed with the FCC.
License HolderBUNKER, WILLIAM B
License ClassTechnician
Min. Class RequiredGeneral
LocationSAN JUAN CAPISTRANO, CA
Grant DateJul 28, 2026
Expiration DateJul 28, 2036
W3MST is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by BUNKER, WILLIAM B in SAN JUAN CAPISTRANO, CA. This callsign has attracted significant interest in the amateur radio community, with 1 vanity application filed with the FCC. The most recent was submitted by Ferrari, Jason on Jul 10, 2026. W3MST has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- ...-- -- ... -
CW Weight: 28 units(Light (fast to send))
Voice Phonetics
Whiskey Three Mike Sierra Tango
Readability: 8/10(High readability)
License History
- License IssuedJul 28, 2026
- Vanity Callsign GrantedJul 28, 2026
- License ExpiredApr 29, 2010
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Ferrari, JasonFiled Jul 10, 2026Not awardedFCC ↗