KC1SA
Active2x2District 1
Competitive callsign — 3 applications filed with the FCC.
License HolderAllen, Stephen M
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationWallingford, CT
Grant DateJan 14, 2026
Expiration DateApr 12, 2036
KC1SA is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by Allen, Stephen M in Wallingford, 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 Attenello, Scott A on Feb 21, 2025. KC1SA has 6 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- -.-. .---- ... .-
CW Weight: 35 units(Moderate)
Voice Phonetics
Kilo Charlie One Sierra Alpha
Readability: 7.5/10(High readability)
License History
- License RenewedJan 14, 2026
- License IssuedApr 12, 2016
- Vanity Callsign GrantedApr 12, 2016
- License CanceledJul 30, 2013
- License IssuedMay 25, 2013
- Vanity Callsign GrantedMay 25, 2013
Vanity Application Activity
Competing applications filed with the FCC for this callsign.