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KK4RZU

Available2x3District 4

No competing applications on record.

License HolderMartino, Nicholas M

License ClassTechnician

Min. Class RequiredTechnician

LocationRoswell, GA

Grant DateJun 19, 2013

Expiration DateJun 19, 2023

Cancellation DateJun 21, 2025

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KK4RZU

Available2x3District 4

No competing applications on record.

License HolderMartino, Nicholas M

License ClassTechnician

Min. Class RequiredTechnician

LocationRoswell, GA

Grant DateJun 19, 2013

Expiration DateJun 19, 2023

Cancellation DateJun 21, 2025

Available for ApplicationsJun 20, 2025

KK4RZU is a 2x3 format amateur radio callsign. It is currently registered to Martino, Nicholas M in Roswell, GA. 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: 39 units(Moderate)

Voice Phonetics

Kilo Kilo Four Romeo Zulu Uniform

Readability: 6.5/10(Good readability)

This callsign is available now

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

License History

License ExpiredJun 21, 2025
System-Generated GrantJun 19, 2013
License IssuedJun 19, 2013

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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← KK4RZT KK4RZV →

FCC data as of Jul 31, 2026

Is KK4RZU Available? FCC Vanity Status & Watchlist