KS3O
Active2x1District 3
Competitive callsign — 6 applications filed with the FCC.
License HolderSmith, Rainey D
License ClassTechnician
Min. Class RequiredAmateur Extra
LocationBasin, WY
Grant DateJul 21, 2017
Expiration DateJul 21, 2027
KS3O is a highly sought-after 2x1 format amateur radio callsign. The license is currently held by Smith, Rainey D in Basin, WY. This callsign has attracted significant interest in the amateur radio community, with 6 vanity applications filed with the FCC. The most recent was submitted by Oller, Randy A on Jul 10, 2017. KS3O has 7 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ... ...-- ---
CW Weight: 28 units(Light (fast to send))
Voice Phonetics
Kilo Sierra Three Oscar
Readability: 8/10(High readability)
License History
- Administrative Update AppliedMar 17, 2026
- Administrative Update AppliedMar 17, 2026
- Vanity Callsign GrantedJul 21, 2017
- License IssuedJul 21, 2017
- License ExpiredJun 30, 2017
- License RenewedAug 15, 2005
- Tax ID (TIN) AddedAug 11, 2005
Vanity Application Activity
Competing applications filed with the FCC for this callsign.