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K4WSX

Active1x3District 4

Competitive callsign — 1 application filed with the FCC.

License HolderBatista, Mario

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationSebastian, FL

Grant DateApr 20, 2021

Expiration DateApr 20, 2031

K4WSX is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Batista, Mario in Sebastian, FL. 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 Batista, Mario on Apr 2, 2021. K4WSX has 3 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 32 units(Moderate)

Voice Phonetics

Kilo Four Whiskey Sierra X-ray

Readability: 7.5/10(High readability)

License History

License ModifiedOct 20, 2023
License IssuedApr 20, 2021
Vanity Callsign GrantedApr 20, 2021

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Batista, MarioFiled Apr 2, 2021
Not awardedFCC ↗

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FCC data as of Sep 3, 2026

K4WSX FCC Vanity Status: 1 Competing Application & History