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KC4SCO

Active2x3District 4

Competitive callsign — 1 application filed with the FCC.

License HolderCisco Systems Amateur Radio Club (NC)

Min. Class RequiredTechnician

LocationDurham, NC

Grant DateNov 26, 2025

Expiration DateJan 10, 2036

KC4SCO is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Cisco Systems Amateur Radio Club (NC) in Durham, NC. 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 Cisco Systems Amateur Radio Club (NC) on Oct 3, 2005. KC4SCO has 10 recorded FCC license history events.

CW & Voice Analysis

Morse Code

-.- -.-. ....- ... -.-. ---

CW Weight: 42 units(Heavy (slower to send))

Voice Phonetics

Kilo Charlie Four Sierra Charlie Oscar

Readability: 7/10(Good readability)

License History

License RenewedNov 26, 2025
License ModifiedJun 26, 2025
License RenewedNov 4, 2015
License ModifiedSep 7, 2011
License ModifiedMay 4, 2010
FRN Association Email SentAug 12, 2009
FRN Re-association Email SentAug 12, 2009
License IssuedJan 10, 2006
Vanity Callsign GrantedJan 10, 2006
License ExpiredJul 25, 2002

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Cisco Systems Amateur Radio Club (NC)Filed Oct 3, 2005
Not awardedFCC ↗

Search external databases

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Explore nearby callsigns

← KC4SCN KC4SCP →

FCC data as of Sep 15, 2026

KC4SCO FCC Vanity Status: 1 Competing Application & History