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K0MDO

Active1x3District 0

Competitive callsign — 2 applications filed with the FCC.

License HolderOlson, Mark S

License ClassTechnician

Min. Class RequiredGeneral

LocationSaint Michael, MN

Grant DateMay 16, 2017

Expiration DateMay 16, 2027

K0MDO is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Olson, Mark S in Saint Michael, MN. This callsign has attracted significant interest in the amateur radio community, with 2 vanity applications filed with the FCC. The most recent was submitted by Olson, Mark S on Apr 26, 2017. K0MDO has 2 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 42 units(Heavy (slower to send))

Voice Phonetics

Kilo Zero Mike Delta Oscar

Readability: 8/10(High readability)

License History

License IssuedMay 16, 2017
Vanity Callsign GrantedMay 16, 2017

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Olson, Mark SFiled Apr 26, 2017
Not awardedFCC ↗
Moller, JimmeFiled Apr 26, 2013
DismissedFCC ↗

Search external databases

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← K0MDN K0MDP →

FCC data as of Sep 4, 2026

K0MDO FCC Vanity Status: 2 Competing Applications & History