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K7ZHI

Active1x3District 7

Competitive callsign — 1 application filed with the FCC.

License HolderGruesbeck Jr, William G

License ClassTechnician

Min. Class RequiredGeneral

LocationDayton, OH

Grant DateApr 9, 2024

Expiration DateApr 9, 2034

K7ZHI is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Gruesbeck Jr, William G in Dayton, OH. 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 Larsen, Zachary N on Mar 21, 2024. K7ZHI has 4 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 30 units(Light (fast to send))

Voice Phonetics

Kilo Seven Zulu Hotel India

Readability: 7/10(Good readability)

License History

License ModifiedAug 18, 2025
License ModifiedJan 6, 2025
License IssuedApr 9, 2024
Vanity Callsign GrantedApr 9, 2024

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Larsen, Zachary NFiled Mar 21, 2024
Not awardedFCC ↗

Search external databases

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FCC data as of Sep 4, 2026

K7ZHI FCC Vanity Status: 1 Competing Application & History