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KM7EXO

Expired2x3District 7

Competitive callsign — 1 application filed with the FCC.

License HolderMattson III, Kenneth E

License ClassTechnician

Min. Class RequiredTechnician

LocationEverett, WA

Grant DateNov 10, 2015

Expiration DateNov 10, 2025

Available for ApplicationsNov 11, 2027

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KM7EXO

Expired2x3District 7

Competitive callsign — 1 application filed with the FCC.

License HolderMattson III, Kenneth E

License ClassTechnician

Min. Class RequiredTechnician

LocationEverett, WA

Grant DateNov 10, 2015

Expiration DateNov 10, 2025

Available for ApplicationsNov 11, 2027

KM7EXO is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Mattson III, Kenneth E in Everett, WA. 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 Mattson III, Kenneth E on Oct 23, 2015. KM7EXO has 2 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 40 units(Moderate)

Voice Phonetics

Kilo Mike Seven Echo X-ray Oscar

Readability: 7.5/10(High readability)

Available Nov 11, 2027 (433 days remaining)

Requires Technician license or higher to apply for this callsign format (2x3).

License History

License IssuedNov 10, 2015
Vanity Callsign GrantedNov 10, 2015

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Mattson III, Kenneth EFiled Oct 23, 2015
Not awardedFCC ↗

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FCC data as of Sep 4, 2026

KM7EXO FCC Vanity Status: 1 Competing Application & History