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K7ZCZ

Active1x3District 7

Competitive callsign — 1 application filed with the FCC.

License HolderBlaszczak, Michael A

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationMercer Island, WA

Grant DateJun 24, 2026

Expiration DateSep 7, 2036

K7ZCZ is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Blaszczak, Michael A in Mercer Island, 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 Blaszczak, Michael A on Aug 19, 2016. K7ZCZ has 3 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 40 units(Moderate)

Voice Phonetics

Kilo Seven Zulu Charlie Zulu

Readability: 7.5/10(High readability)

License History

License RenewedJun 24, 2026
License IssuedSep 7, 2016
Vanity Callsign GrantedSep 7, 2016

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Blaszczak, Michael AFiled Aug 19, 2016
Not awardedFCC ↗

Search external databases

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FCC data as of Sep 4, 2026

K7ZCZ FCC Vanity Status: 1 Competing Application & History