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K7DIO

Active1x3District 7

Competitive callsign — 1 application filed with the FCC.

License HolderSeebruch, Glen A

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationTucson, AZ

Grant DateFeb 10, 2026

Expiration DateFeb 10, 2036

K7DIO is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Seebruch, Glen A in Tucson, AZ. 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 Seebruch, Glen A on Jan 23, 2026. K7DIO has 2 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 32 units(Moderate)

Voice Phonetics

Kilo Seven Delta India Oscar

Readability: 7/10(Good readability)

License History

License IssuedFeb 10, 2026
Vanity Callsign GrantedFeb 10, 2026

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Seebruch, Glen AFiled Jan 23, 2026
Not awardedFCC ↗

Search external databases

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FCC data as of Jul 30, 2026

K7DIO FCC Vanity Status: 1 Competing Application & History