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KX4SW

Available2x2District 4

No competing applications on record.

License HolderKAEFF JR, CHARLES N

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationBethel, OH

Grant DateJun 5, 2018

Expiration DateJun 5, 2028

Cancellation DateSep 17, 2019

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KX4SW

Available2x2District 4

No competing applications on record.

License HolderKAEFF JR, CHARLES N

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationBethel, OH

Grant DateJun 5, 2018

Expiration DateJun 5, 2028

Cancellation DateSep 17, 2019

Available for ApplicationsSep 18, 2021

KX4SW is a 2x2 format amateur radio callsign. It is currently registered to KAEFF JR, CHARLES N in Bethel, OH. There are currently no competing vanity applications or pending FCC filings on record for this callsign. Add it to your watchlist to receive an immediate alert if another operator files a vanity application.

CW & Voice Analysis

Morse Code

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

CW Weight: 32 units(Moderate)

Voice Phonetics

Kilo X-ray Four Sierra Whiskey

Readability: 7.5/10(High readability)

This callsign is available now

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

License History

License CanceledSep 17, 2019
License IssuedJun 26, 2019
System-Generated GrantJun 26, 2019

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

No competing applications on record. Verify on the FCC ULS application search before filing.

Search external databases

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FCC data as of Jul 30, 2026

Is KX4SW Available? FCC Vanity Status & Watchlist