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KW4JO

Cancelled2x2District 4

Competitive callsign — 2 applications filed with the FCC.

License HolderMarcal, Joao

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationGREENACRES, FL

Grant DateMay 27, 2017

Cancellation DateFeb 8, 2025

Available for ApplicationsFeb 9, 2027

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KW4JO

Cancelled2x2District 4

Competitive callsign — 2 applications filed with the FCC.

License HolderMarcal, Joao

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationGREENACRES, FL

Grant DateMay 27, 2017

Cancellation DateFeb 8, 2025

Available for ApplicationsFeb 9, 2027

KW4JO is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by Marcal, Joao in GREENACRES, FL. 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 Marcal, Joao on May 9, 2017. KW4JO has 10 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 40 units(Moderate)

Voice Phonetics

Kilo Whiskey Four Juliet Oscar

Readability: 7.5/10(High readability)

Available Feb 9, 2027 (194 days remaining)

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

License History

License CanceledFeb 8, 2025
Administrative Update AppliedJan 22, 2025
Administrative Update AppliedSep 1, 2022
Administrative Update AppliedSep 1, 2022
Administrative Update AppliedMay 31, 2017
Vanity Callsign GrantedMay 27, 2017
License IssuedMay 27, 2017
License CanceledSep 24, 2013
License IssuedSep 4, 2013
Vanity Callsign GrantedSep 4, 2013

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Marcal, JoaoFiled May 9, 2017
Not awardedFCC ↗
Peel Jr, Joseph CFiled Aug 15, 2013
Not awardedFCC ↗

Search external databases

QRZ ↗HamQTH ↗

Explore nearby callsigns

← KW4JN KW4JP →

FCC data as of Jul 29, 2026

KW4JO FCC Vanity Status: 2 Competing Applications & History