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KK7CL

Available2x2District 7

Competitive callsign — 1 application filed with the FCC.

License HolderBUTTERWORTH, JOHN S

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationSALT LAKE CITY, UT

Grant DateOct 13, 2004

Expiration DateJan 6, 2015

Cancellation DateJan 7, 2017

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KK7CL

Available2x2District 7

Competitive callsign — 1 application filed with the FCC.

License HolderBUTTERWORTH, JOHN S

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationSALT LAKE CITY, UT

Grant DateOct 13, 2004

Expiration DateJan 6, 2015

Cancellation DateJan 7, 2017

Available for ApplicationsJan 7, 2017

KK7CL is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by BUTTERWORTH, JOHN S in SALT LAKE CITY, UT. 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 Lybarger, Charles D on Mar 1, 2021. KK7CL has 3 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 37 units(Moderate)

Voice Phonetics

Kilo Kilo Seven Charlie Lima

Readability: 7.5/10(High readability)

This callsign is available now

Requires General license or higher to apply for this callsign format (2x2).

License History

License ExpiredJan 7, 2017
License RenewedOct 13, 2004
FRN Association Letter SentAug 26, 2004

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Lybarger, Charles DFiled Mar 1, 2021
Not awardedFCC ↗

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FCC data as of Jul 10, 2026

KK7CL FCC Vanity Status: 1 Competing Application & History