K1ZZZ
Active1x3District 1
Competitive callsign — 3 applications filed with the FCC.
License HolderZAVATSKY, MARK J
License ClassGeneral
Min. Class RequiredGeneral
LocationHARWINTON, CT
Grant DateJan 30, 2019
Expiration DateFeb 3, 2029
K1ZZZ is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by ZAVATSKY, MARK J in HARWINTON, CT. 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 DeCarvalho, Wilson on Apr 21, 2026. K1ZZZ has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- .---- --.. --.. --..
CW Weight: 44 units(Heavy (slower to send))
Voice Phonetics
Kilo One Zulu Zulu Zulu
Readability: 8/10(High readability)
License History
- License RenewedJan 30, 2019
- Administrative Update AppliedJan 30, 2019
- License RenewedApr 16, 2009
- Tax ID (TIN) AddedApr 8, 2009
Vanity Application Activity
Competing applications filed with the FCC for this callsign.