W0SDW
Active1x3District 0
Competitive callsign — 5 applications filed with the FCC.
License HolderWolterstorff, Steve D
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationSioux Fallslllllll, SD
Grant DateJul 24, 2025
Expiration DateSep 7, 2035
W0SDW is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Wolterstorff, Steve D in Sioux Fallslllllll, SD. This callsign has attracted significant interest in the amateur radio community, with 5 vanity applications filed with the FCC. The most recent was submitted by Hyde, Ian D on Jan 2, 2024. W0SDW has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- ----- ... -.. .--
CW Weight: 37 units(Moderate)
Voice Phonetics
Whiskey Zero Sierra Delta Whiskey
Readability: 7/10(Good readability)
License History
- License RenewedJul 24, 2025
- License RenewedAug 19, 2015
- License ModifiedMay 3, 2012
- License IssuedSep 7, 2005
- Vanity Callsign GrantedSep 7, 2005
Vanity Application Activity
Competing applications filed with the FCC for this callsign.