W9SB
Active1x2District 9
Competitive callsign — 21 applications filed with the FCC.
License HolderHamilton, W David
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationBrookfield, WI
Grant DateApr 7, 2026
Expiration DateApr 7, 2036
W9SB is a highly sought-after 1x2 format amateur radio callsign. The license is currently held by Hamilton, W David in Brookfield, WI. This callsign has attracted significant interest in the amateur radio community, with 21 vanity applications filed with the FCC. The most recent was submitted by Regatts, Keith J on Apr 1, 2026. W9SB has 7 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- ----. ... -...
CW Weight: 29 units(Light (fast to send))
Voice Phonetics
Whiskey Nine Sierra Bravo
Readability: 8/10(High readability)
License History
- Vanity Callsign GrantedApr 7, 2026
- License IssuedApr 7, 2026
- License ExpiredMar 7, 2026
- License RenewedDec 6, 2013
- Vanity Callsign GrantedFeb 10, 2004
- License IssuedFeb 10, 2004
- License ExpiredJan 22, 2004
Vanity Application Activity
Competing applications filed with the FCC for this callsign.