KO1A
Active2x1District 1
Competitive callsign — 11 applications filed with the FCC.
License HolderMarzilli, Matteo Maria
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationMIAMI, FL
Grant DateJun 29, 2021
Expiration DateJun 29, 2031
KO1A is a highly sought-after 2x1 format amateur radio callsign. The license is currently held by Marzilli, Matteo Maria in MIAMI, FL. This callsign has attracted significant interest in the amateur radio community, with 11 vanity applications filed with the FCC. The most recent was submitted by Best, Nathan B on Jun 10, 2021. KO1A has 8 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- --- .---- .-
CW Weight: 33 units(Moderate)
Voice Phonetics
Kilo Oscar One Alpha
Readability: 8.5/10(High readability)
License History
- Vanity Callsign GrantedJun 29, 2021
- License IssuedJun 29, 2021
- License CanceledJun 8, 2019
- Vanity Callsign GrantedMar 26, 2019
- License IssuedMar 26, 2019
- License ExpiredMar 6, 2019
- License RenewedJan 5, 2007
- FRN Association Email SentNov 28, 2006
Vanity Application Activity
Competing applications filed with the FCC for this callsign.