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KO4UOB

Available2x3District 4

No competing applications on record.

License HolderFinkelstein, Brett M

License ClassGeneral

Min. Class RequiredTechnician

LocationSafety Harbor, FL

Grant DateNov 8, 2021

Expiration DateNov 8, 2031

Cancellation DateJan 5, 2022

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KO4UOB

Available2x3District 4

No competing applications on record.

License HolderFinkelstein, Brett M

License ClassGeneral

Min. Class RequiredTechnician

LocationSafety Harbor, FL

Grant DateNov 8, 2021

Expiration DateNov 8, 2031

Cancellation DateJan 5, 2022

Available for ApplicationsJan 6, 2024

KO4UOB is a 2x3 format amateur radio callsign. It is currently registered to Finkelstein, Brett M in Safety Harbor, 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: 43 units(Heavy (slower to send))

Voice Phonetics

Kilo Oscar Four Uniform Oscar Bravo

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 CanceledJan 5, 2022
License ModifiedDec 14, 2021
System-Generated GrantNov 8, 2021
License IssuedNov 8, 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 4, 2026

Is KO4UOB Available? FCC Vanity Status & Watchlist