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K9JSK

Active1x3District 9

Competitive callsign — 2 applications filed with the FCC.

License HolderKnudson, Joy S

License ClassTechnician

Min. Class RequiredGeneral

LocationHudson, WI

Grant DateFeb 13, 2019

Expiration DateApr 21, 2029

K9JSK is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Knudson, Joy S in Hudson, WI. 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 Kohles, Jason S on Jul 24, 2023. K9JSK has 4 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 40 units(Moderate)

Voice Phonetics

Kilo Nine Juliet Sierra Kilo

Readability: 7/10(Good readability)

License History

License RenewedFeb 13, 2019
License IssuedApr 21, 2009
Vanity Callsign GrantedApr 21, 2009
License ExpiredJun 10, 2008

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Kohles, Jason SFiled Jul 24, 2023
Not awardedFCC ↗
Knudson, Joy SFiled Apr 3, 2009
Not awardedFCC ↗

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FCC data as of Jul 31, 2026

K9JSK FCC Vanity Status: 2 Competing Applications & History