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KR0X

Active2x1District 0

Competitive callsign — 6 applications filed with the FCC.

License HolderMAYZES, MARC C

License ClassAmateur Extra

Min. Class RequiredAmateur Extra

LocationLITTLETON, CO

Grant DateAug 30, 2024

Expiration DateAug 30, 2034

KR0X is a highly sought-after 2x1 format amateur radio callsign. The license is currently held by MAYZES, MARC C in LITTLETON, CO. This callsign has attracted significant interest in the amateur radio community, with 6 vanity applications filed with the FCC. The most recent was submitted by Harbert, Chris on Aug 13, 2024. KR0X has 7 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 35 units(Moderate)

Voice Phonetics

Kilo Romeo Zero X-ray

Readability: 7.5/10(High readability)

License History

Vanity Callsign GrantedAug 30, 2024
License IssuedAug 30, 2024
License ExpiredAug 13, 2024
License RenewedMay 22, 2012
License RenewedJun 28, 2002
Tax ID (TIN) AddedFeb 25, 2002
Administrative Update AppliedFeb 25, 2002

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Harbert, ChrisFiled Aug 13, 2024
Not awardedFCC ↗
Pfeifer, Christopher BFiled Aug 12, 2024
Not awardedFCC ↗
GEE, OLIVER JFiled Aug 12, 2024
Not awardedFCC ↗
MAYZES, MARC CFiled Aug 12, 2024

Search external databases

QRZ ↗HamQTH ↗

Explore nearby callsigns

← KR0W KR0Y →

FCC data as of Jul 28, 2026

Not awarded

Russell, Scott EFiled Jul 22, 2024

Not awardedFCC ↗

Whitehorne, Michael EFiled Jun 22, 2022

Not awardedFCC ↗

KR0X FCC Vanity Status: 6 Competing Applications & History