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KN4ULO

Available2x3District 4

No competing applications on record.

License HolderButkovich, David W

License ClassTechnician

Min. Class RequiredTechnician

LocationOcoee, FL

Grant DateMay 10, 2019

Expiration DateMay 10, 2029

Cancellation DateMay 31, 2019

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KN4ULO

Available2x3District 4

No competing applications on record.

License HolderButkovich, David W

License ClassTechnician

Min. Class RequiredTechnician

LocationOcoee, FL

Grant DateMay 10, 2019

Expiration DateMay 10, 2029

Cancellation DateMay 31, 2019

Available for ApplicationsJun 1, 2021

KN4ULO is a 2x3 format amateur radio callsign. It is currently registered to Butkovich, David W in Ocoee, 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 November Four Uniform Lima Oscar

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 CanceledMay 31, 2019
System-Generated GrantMay 10, 2019
License IssuedMay 10, 2019

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 12, 2026

Is KN4ULO Available? FCC Vanity Status & Watchlist