K7ZZO
Active1x3District 7
Competitive callsign — 3 applications filed with the FCC.
License HolderBrown, Keith B
License ClassTechnician
Min. Class RequiredGeneral
LocationSchaumburg, IL
Grant DateAug 25, 2020
Expiration DateAug 25, 2030
K7ZZO is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Brown, Keith B in Schaumburg, IL. This callsign has attracted significant interest in the amateur radio community, with 3 vanity applications filed with the FCC. The most recent was submitted by Boggs, Mark A on Aug 4, 2020. K7ZZO has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- --... --.. --.. ---
CW Weight: 41 units(Heavy (slower to send))
Voice Phonetics
Kilo Seven Zulu Zulu Oscar
Readability: 7.5/10(High readability)
License History
- Administrative Update AppliedFeb 24, 2026
- Administrative Update AppliedJan 5, 2021
- License IssuedAug 25, 2020
- Vanity Callsign GrantedAug 25, 2020
Vanity Application Activity
Competing applications filed with the FCC for this callsign.