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KO4EXT

Available2x3District 4

No competing applications on record.

License HolderLanghorne, Kemp M

License ClassTechnician

Min. Class RequiredTechnician

LocationGibsonville, NC

Grant DateJun 29, 2020

Expiration DateJun 29, 2030

Cancellation DateNov 5, 2022

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KO4EXT

Available2x3District 4

No competing applications on record.

License HolderLanghorne, Kemp M

License ClassTechnician

Min. Class RequiredTechnician

LocationGibsonville, NC

Grant DateJun 29, 2020

Expiration DateJun 29, 2030

Cancellation DateNov 5, 2022

Available for ApplicationsNov 6, 2024

KO4EXT is a 2x3 format amateur radio callsign. It is currently registered to Langhorne, Kemp M in Gibsonville, NC. 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: 35 units(Moderate)

Voice Phonetics

Kilo Oscar Four Echo X-ray Tango

Readability: 7.5/10(High readability)

This callsign is available now

Requires Technician license or higher to apply for this callsign format (2x3).

License History

License CanceledNov 5, 2022
License ModifiedOct 17, 2022
License ModifiedJul 26, 2022
System-Generated GrantJun 29, 2020
License IssuedJun 29, 2020

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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← KO4EXS KO4EXU →

FCC data as of Sep 4, 2026

Is KO4EXT Available? FCC Vanity Status & Watchlist