WI0S
Active2x1District 0
Competitive callsign — 9 applications filed with the FCC.
License HolderCook, Kieth J
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationWaverly, MN
Grant DateApr 14, 2026
Expiration DateJul 11, 2036
WI0S is a highly sought-after 2x1 format amateur radio callsign. The license is currently held by Cook, Kieth J in Waverly, MN. This callsign has attracted significant interest in the amateur radio community, with 9 vanity applications filed with the FCC. The most recent was submitted by Cook, Kieth J on Jun 21, 2006. WI0S has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- .. ----- ...
CW Weight: 27 units(Light (fast to send))
Voice Phonetics
Whiskey India Zero Sierra
Readability: 7/10(Good readability)
License History
- License RenewedApr 14, 2026
- Administrative Update AppliedApr 20, 2020
- License RenewedApr 20, 2016
- License IssuedJul 11, 2006
- Vanity Callsign GrantedJul 11, 2006
Vanity Application Activity
Competing applications filed with the FCC for this callsign.