K0SKY
Active1x3District 0
Competitive callsign — 7 applications filed with the FCC.
License HolderHAN, WILLIAM
License ClassTechnician
Min. Class RequiredGeneral
LocationFONTANA, CA
Grant DateJan 31, 2017
Expiration DateMar 20, 2027
K0SKY is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by HAN, WILLIAM in FONTANA, CA. This callsign has attracted significant interest in the amateur radio community, with 7 vanity applications filed with the FCC. The most recent was submitted by Stoll, Randall S on Sep 21, 2026. K0SKY has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ----- ... -.- -.--
CW Weight: 42 units(Heavy (slower to send))
Voice Phonetics
Kilo Zero Sierra Kilo Yankee
Readability: 7/10(Good readability)
License History
- License RenewedJan 31, 2017
- License IssuedMar 20, 2007
- Vanity Callsign GrantedMar 20, 2007
- License CanceledNov 16, 2004
- License ModifiedJan 10, 2001
Vanity Application Activity
Competing applications filed with the FCC for this callsign.