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KX4JT

Available2x2District 4

Competitive callsign — 3 applications filed with the FCC.

License HolderKROMM, MATTHIAS

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationGREER, SC

Grant DateJan 22, 2018

Expiration DateJan 22, 2028

Cancellation DateApr 10, 2018

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KX4JT

Available2x2District 4

Competitive callsign — 3 applications filed with the FCC.

License HolderKROMM, MATTHIAS

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationGREER, SC

Grant DateJan 22, 2018

Expiration DateJan 22, 2028

Cancellation DateApr 10, 2018

Available for ApplicationsApr 11, 2020

KX4JT is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by KROMM, MATTHIAS in GREER, SC. This callsign has attracted significant interest in the amateur radio community, with 3 vanity applications filed with the FCC. The most recent was submitted by Lewis, Jeffrey T on Sep 29, 2021. KX4JT has 3 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 35 units(Moderate)

Voice Phonetics

Kilo X-ray Four Juliet Tango

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 CanceledApr 10, 2018
License IssuedMar 21, 2018
System-Generated GrantMar 21, 2018

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Lewis, Jeffrey TFiled Sep 29, 2021
Not awardedFCC ↗
CLARK, GARY DFiled Jan 23, 2001
Not awardedFCC ↗
Tombaugh Jr, John RFiled Jan 23, 2001
Not awardedFCC ↗

Search external databases

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FCC data as of Jul 29, 2026

KX4JT FCC Vanity Status: 3 Competing Applications & History