K0KSI
Active1x3District 0
Competitive callsign — 2 applications filed with the FCC.
License HolderCrawford, David L
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationBlue Rapids, KS
Grant DateAug 7, 2026
Expiration DateOct 6, 2036
K0KSI is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Crawford, David L in Blue Rapids, KS. This callsign has attracted significant interest in the amateur radio community, with 2 vanity applications filed with the FCC. The most recent was submitted by Crawford, David L on Sep 18, 2006. K0KSI has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ----- -.- ... ..
CW Weight: 34 units(Moderate)
Voice Phonetics
Kilo Zero Kilo Sierra India
Readability: 6.5/10(Good readability)
License History
- License RenewedAug 7, 2026
- License RenewedJul 14, 2016
- Administrative Update AppliedDec 25, 2015
- License IssuedOct 6, 2006
- Vanity Callsign GrantedOct 6, 2006
Vanity Application Activity
Competing applications filed with the FCC for this callsign.