KS3I
Active2x1District 3
Competitive callsign — 15 applications filed with the FCC.
License HolderSandberg, Ken
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationSimi Valley, CA
Grant DateAug 6, 2019
Expiration DateNov 3, 2029
KS3I is a highly sought-after 2x1 format amateur radio callsign. The license is currently held by Sandberg, Ken in Simi Valley, CA. This callsign has attracted significant interest in the amateur radio community, with 15 vanity applications filed with the FCC. The most recent was submitted by Taylor, Will Ethan on Jul 17, 2026. KS3I has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ... ...-- ..
CW Weight: 21 units(Light (fast to send))
Voice Phonetics
Kilo Sierra Three India
Readability: 7.5/10(High readability)
License History
- License RenewedAug 6, 2019
- License IssuedNov 3, 2009
- Vanity Callsign GrantedNov 3, 2009
- License ExpiredMay 6, 2004
Vanity Application Activity
Competing applications filed with the FCC for this callsign.