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KF4ZZ

Active2x2District 4

Competitive callsign — 2 applications filed with the FCC.

License HolderROYSTON, RICHARD K

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationDefuniak Springs, FL

Grant DateMay 13, 2025

Expiration DateJun 18, 2035

KF4ZZ is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by ROYSTON, RICHARD K in Defuniak Springs, FL. This callsign has attracted significant interest in the amateur radio community, with 2 vanity applications filed with the FCC. The most recent was submitted by ROYSTON, RICHARD K on May 31, 2005. KF4ZZ has 8 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 36 units(Moderate)

Voice Phonetics

Kilo Foxtrot Four Zulu Zulu

Readability: 8/10(High readability)

License History

License RenewedMay 13, 2025
Administrative Update AppliedMay 22, 2021
License RenewedApr 11, 2015
Vanity Callsign GrantedJun 18, 2005
License IssuedJun 18, 2005
Tax ID (TIN) AddedMay 29, 2003
License RenewedMay 29, 2003
License CanceledMay 29, 2003

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

ROYSTON, RICHARD KFiled May 31, 2005
Not awardedFCC ↗
ROYSTON, RICHARD KFiled May 3, 2004
DismissedFCC ↗

Search external databases

QRZ ↗HamQTH ↗

Explore nearby callsigns

← KF4ZX KF5AB →

FCC data as of Sep 14, 2026

KF4ZZ FCC Vanity Status: 2 Competing Applications & History