W4AS
Active1x2District 4
Competitive callsign — 3 applications filed with the FCC.
License HolderACOSTA, SEBASTIAN
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationCutler Bay, FL
Grant DateAug 8, 2026
Expiration DateNov 4, 2036
W4AS is a highly sought-after 1x2 format amateur radio callsign. The license is currently held by ACOSTA, SEBASTIAN in Cutler Bay, FL. This callsign has attracted significant interest in the amateur radio community, with 3 vanity applications filed with the FCC. The most recent was submitted by SPIVEY, DAVID A on Feb 3, 2021. W4AS has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- ....- .- ...
CW Weight: 21 units(Light (fast to send))
Voice Phonetics
Whiskey Four Alpha Sierra
Readability: 8/10(High readability)
License History
- License RenewedAug 8, 2026
- License RenewedAug 10, 2016
- Administrative Update AppliedOct 10, 2008
- License RenewedSep 8, 2006
- Tax ID (TIN) AddedSep 7, 2006
Vanity Application Activity
Competing applications filed with the FCC for this callsign.