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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, 2023
Not awardedFCC ↗

Search external databases

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FCC data as of Sep 3, 2026

KO6MAS FCC Vanity Status: 1 Competing Application & History