KC1SF
Active2x2District 1
Competitive callsign — 1 application filed with the FCC.
License HolderSpecial Forces Brothers Amateur Radio Club
Min. Class RequiredGeneral
LocationMIDDLETON, MA
Grant DateApr 1, 2025
Expiration DateApr 28, 2035
KC1SF is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by Special Forces Brothers Amateur Radio Club in MIDDLETON, MA. This callsign has attracted significant interest in the amateur radio community, with 1 vanity application filed with the FCC. The most recent was submitted by Special Forces Brothers Amateur Radio Club on Apr 10, 2015. KC1SF has 8 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- -.-. .---- ... ..-.
CW Weight: 37 units(Moderate)
Voice Phonetics
Kilo Charlie One Sierra Foxtrot
Readability: 7.5/10(High readability)
License History
- Administrative Update AppliedApr 21, 2025
- Administrative Update AppliedApr 17, 2025
- License RenewedApr 1, 2025
- Vanity Callsign GrantedApr 28, 2015
- License IssuedApr 28, 2015
- License CanceledJun 27, 2000
- License RenewedJun 14, 2000
- License ModifiedJun 6, 2000
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Special Forces Brothers Amateur Radio ClubFiled Apr 10, 2015Not awardedFCC ↗