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K9XOK

Active1x3District 9

Competitive callsign — 2 applications filed with the FCC.

License HolderJOHNSON, JAMES A

License ClassTechnician

Min. Class RequiredGeneral

LocationSanta Cruz, CA

Grant DateOct 25, 2017

Expiration DateOct 5, 2027

K9XOK is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by JOHNSON, JAMES A in Santa Cruz, CA. This callsign has attracted significant interest in the amateur radio community, with 2 vanity applications filed with the FCC. The most recent was submitted by GUZMAN CENTENO, JOSE A on Sep 17, 2007. K9XOK has 7 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 44 units(Heavy (slower to send))

Voice Phonetics

Kilo Nine X-ray Oscar Kilo

Readability: 8/10(High readability)

License History

Administrative Update AppliedApr 8, 2026
Administrative Update AppliedApr 8, 2026
Administrative Update AppliedApr 8, 2026
Administrative Update AppliedOct 25, 2017
License RenewedOct 25, 2017
License IssuedOct 5, 2007
Vanity Callsign GrantedOct 5, 2007

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

GUZMAN CENTENO, JOSE AFiled Sep 17, 2007
Not awardedFCC ↗
MCDERMOTT, PATRICK DFiled Sep 17, 2007
Not awardedFCC ↗

Search external databases

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Explore nearby callsigns

← K9XMX K9XOR →

FCC data as of Jul 29, 2026

K9XOK FCC Vanity Status: 2 Competing Applications & History