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KS4KB

Available2x2District 4

Competitive callsign — 1 application filed with the FCC.

License HolderKERZE, KIM M

License ClassAdvanced

Min. Class RequiredGeneral

LocationNEWBURY PARK, CA

Grant DateSep 2, 2004

Expiration DateSep 2, 2014

Cancellation DateSep 3, 2016

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KS4KB

Available2x2District 4

Competitive callsign — 1 application filed with the FCC.

License HolderKERZE, KIM M

License ClassAdvanced

Min. Class RequiredGeneral

LocationNEWBURY PARK, CA

Grant DateSep 2, 2004

Expiration DateSep 2, 2014

Cancellation DateSep 3, 2016

Available for ApplicationsSep 3, 2016

KS4KB is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by KERZE, KIM M in NEWBURY PARK, CA. 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 BUTLER, JAMES K on Jul 6, 2023. KS4KB has 3 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 30 units(Light (fast to send))

Voice Phonetics

Kilo Sierra Four Kilo Bravo

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 ExpiredSep 3, 2016
FRN Association Letter SentSep 3, 2004
License RenewedSep 2, 2004

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

BUTLER, JAMES KFiled Jul 6, 2023
Not awardedFCC ↗

Search external databases

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Explore nearby callsigns

← KS4KA KS4KC →

FCC data as of Jul 8, 2026

KS4KB FCC Vanity Status: 1 Competing Application & History