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KO4TZA

Available2x3District 4

No competing applications on record.

License HolderBrooks, Marshall A

License ClassAmateur Extra

Min. Class RequiredTechnician

LocationDelray Beach, FL

Grant DateOct 12, 2021

Expiration DateOct 12, 2031

Cancellation DateMar 9, 2022

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KO4TZA

Available2x3District 4

No competing applications on record.

License HolderBrooks, Marshall A

License ClassAmateur Extra

Min. Class RequiredTechnician

LocationDelray Beach, FL

Grant DateOct 12, 2021

Expiration DateOct 12, 2031

Cancellation DateMar 9, 2022

Available for ApplicationsMar 10, 2024

KO4TZA is a 2x3 format amateur radio callsign. It is currently registered to Brooks, Marshall A in Delray Beach, FL. 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: 38 units(Moderate)

Voice Phonetics

Kilo Oscar Four Tango Zulu Alpha

Readability: 7.5/10(High readability)

This callsign is available now

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

License History

License CanceledMar 9, 2022
License ModifiedNov 23, 2021
System-Generated GrantOct 12, 2021
License IssuedOct 12, 2021

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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FCC data as of Sep 5, 2026

Is KO4TZA Available? FCC Vanity Status & Watchlist