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KJ0S

Active2x1District 0

Competitive callsign — 1 application filed with the FCC.

License HolderSTRONG, COLIN M

License ClassAmateur Extra

Min. Class RequiredAmateur Extra

LocationFredonia, AZ

Grant DateOct 21, 2016

Expiration DateNov 4, 2026

KJ0S is a highly sought-after 2x1 format amateur radio callsign. The license is currently held by STRONG, COLIN M in Fredonia, AZ. 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 Perdue, Jim P on May 12, 2010. KJ0S has 4 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 35 units(Moderate)

Voice Phonetics

Kilo Juliet Zero Sierra

Readability: 7/10(Good readability)

License History

License RenewedOct 21, 2016
Administrative Update AppliedMar 20, 2010
License RenewedSep 30, 2006
FRN Association Email SentSep 29, 2006

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Perdue, Jim PFiled May 12, 2010
DismissedFCC ↗

Search external databases

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FCC data as of Sep 4, 2026

KJ0S FCC Vanity Status: 1 Competing Application & History