W4SDW
Active1x3District 4
Competitive callsign — 3 applications filed with the FCC.
License HolderCARLSON, MATT J
License ClassTechnician
Min. Class RequiredGeneral
LocationWest Lafayette, IN
Grant DateMay 6, 2025
Expiration DateMay 6, 2035
W4SDW is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by CARLSON, MATT J in West Lafayette, IN. 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 WARREN, SHAWN D on Apr 16, 2025. W4SDW has 6 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- ....- ... -.. .--
CW Weight: 29 units(Light (fast to send))
Voice Phonetics
Whiskey Four Sierra Delta Whiskey
Readability: 7.5/10(High readability)
License History
- License ModifiedJul 31, 2025
- License IssuedMay 6, 2025
- Vanity Callsign GrantedMay 6, 2025
- License ExpiredMay 5, 2022
- License IssuedMay 4, 2010
- Vanity Callsign GrantedMay 4, 2010
Vanity Application Activity
Competing applications filed with the FCC for this callsign.