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KK4ZXS

Available2x3District 4

No competing applications on record.

License HolderHARPEL, DAVID E

License ClassTechnician

Min. Class RequiredTechnician

LocationTEMPE, AZ

Grant DateApr 3, 2014

Expiration DateApr 3, 2024

Cancellation DateMay 7, 2026

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KK4ZXS

Available2x3District 4

No competing applications on record.

License HolderHARPEL, DAVID E

License ClassTechnician

Min. Class RequiredTechnician

LocationTEMPE, AZ

Grant DateApr 3, 2014

Expiration DateApr 3, 2024

Cancellation DateMay 7, 2026

Available for ApplicationsApr 4, 2026

KK4ZXS is a 2x3 format amateur radio callsign. It is currently registered to HARPEL, DAVID E in TEMPE, AZ. 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: 40 units(Moderate)

Voice Phonetics

Kilo Kilo Four Zulu X-ray Sierra

Readability: 7/10(Good readability)

This callsign is available now

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

License History

License ExpiredMay 7, 2026
System-Generated GrantApr 3, 2014
License IssuedApr 3, 2014

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

QRZ ↗HamQTH ↗

Explore nearby callsigns

← KK4ZXR KK4ZXT →

FCC data as of Jul 31, 2026

Is KK4ZXS Available? FCC Vanity Status & Watchlist