KO6MAS
Active2x3District 6
Competitive callsign — 1 application filed with the FCC.
License HolderShih, Ken
License ClassGeneral
Min. Class RequiredTechnician
LocationSan Francisco, CA
Grant DateJan 22, 2026
Expiration DateJan 22, 2036
KO6MAS is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Shih, Ken in San Francisco, CA. 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 SAENZ, MIGUEL A on Oct 16, 2023. KO6MAS has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- --- -.... -- .- ...
CW Weight: 36 units(Moderate)
Voice Phonetics
Kilo Oscar Six Mike Alpha Sierra
Readability: 7.5/10(High readability)
License History
- License ModifiedApr 20, 2026
- System-Generated GrantJan 22, 2026
- License IssuedJan 22, 2026
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- SAENZ, MIGUEL AFiled Oct 16, 2023Not awardedFCC ↗