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K1MIO

Active1x3District 1

Competitive callsign — 1 application filed with the FCC.

License HolderWINTERS, MATTHEW I

License ClassGeneral

Min. Class RequiredGeneral

LocationAlameda, CA

Grant DateMay 31, 2017

Expiration DateMay 31, 2027

K1MIO is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by WINTERS, MATTHEW I in Alameda, 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 WINTERS, MATTHEW I on May 10, 2017. K1MIO has 6 recorded FCC license history events.

CW & Voice Analysis

Morse Code

-.- .---- -- .. ---

CW Weight: 37 units(Moderate)

Voice Phonetics

Kilo One Mike India Oscar

Readability: 8/10(High readability)

License History

Administrative Update AppliedAug 23, 2025
Administrative Update AppliedAug 20, 2024
Administrative Update AppliedJan 25, 2022
Administrative Update AppliedJul 21, 2020
License IssuedMay 31, 2017
Vanity Callsign GrantedMay 31, 2017

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

WINTERS, MATTHEW IFiled May 10, 2017
Not awardedFCC ↗

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← K1MIM K1MIS →

FCC data as of Sep 4, 2026

K1MIO FCC Vanity Status: 1 Competing Application & History