KC4ONE
Available2x3District 4
Competitive callsign — 2 applications filed with the FCC.
License HolderALFIERI, JOSEPH E
License ClassAmateur Extra
Min. Class RequiredTechnician
LocationWINDSOR, CT
Grant DateMar 17, 2000
Expiration DateJun 5, 2010
Cancellation DateJun 6, 2012
Available for ApplicationsJun 6, 2012
KC4ONE is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by ALFIERI, JOSEPH E in WINDSOR, CT. This callsign has attracted significant interest in the amateur radio community, with 2 vanity applications filed with the FCC. The most recent was submitted by SARGENT, LYNDALL C on Mar 31, 2026. KC4ONE has 2 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- -.-. ....- --- -. .
CW Weight: 36 units(Moderate)
Voice Phonetics
Kilo Charlie Four Oscar November Echo
Readability: 7/10(Good readability)
This callsign is available now
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License ExpiredJun 6, 2012
- License RenewedMar 17, 2000
Vanity Application Activity
Competing applications filed with the FCC for this callsign.