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, 2016Not awardedFCC ↗