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KO4KTO

Available2x3District 4

No competing applications on record.

License HolderGrebey, James F

License ClassGeneral

Min. Class RequiredTechnician

LocationMelbourne, FL

Grant DateJan 11, 2021

Expiration DateJan 11, 2031

Cancellation DateJan 29, 2021

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KO4KTO

Available2x3District 4

No competing applications on record.

License HolderGrebey, James F

License ClassGeneral

Min. Class RequiredTechnician

LocationMelbourne, FL

Grant DateJan 11, 2021

Expiration DateJan 11, 2031

Cancellation DateJan 29, 2021

Available for ApplicationsJan 30, 2023

KO4KTO is a 2x3 format amateur radio callsign. It is currently registered to Grebey, James F in Melbourne, 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: 42 units(Heavy (slower to send))

Voice Phonetics

Kilo Oscar Four Kilo Tango Oscar

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 CanceledJan 29, 2021
System-Generated GrantJan 11, 2021
License IssuedJan 11, 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.

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FCC data as of Sep 3, 2026

Is KO4KTO Available? FCC Vanity Status & Watchlist