KN0SIS
Active2x3District 0
Competitive callsign — 1 application filed with the FCC.
License HolderSiouxland Ares Skywarn Inc
Min. Class RequiredTechnician
LocationSioux City, IA
Grant DateJun 4, 2021
Expiration DateJun 4, 2031
KN0SIS is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Siouxland Ares Skywarn Inc in Sioux City, IA. This callsign has attracted significant interest in the amateur radio community, with 1 vanity application filed with the FCC. The most recent was submitted by Robertson, Eric on May 17, 2021. KN0SIS has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- -. ----- ... .. ...
CW Weight: 34 units(Moderate)
Voice Phonetics
Kilo November Zero Sierra India Sierra
Readability: 5/10(Moderate readability)
License History
- Administrative Update AppliedMay 28, 2025
- License IssuedJun 4, 2021
- Vanity Callsign GrantedJun 4, 2021
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Robertson, EricFiled May 17, 2021Not awardedFCC ↗