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KO4WTR

Available2x3District 4

No competing applications on record.

License HolderLisler, Alan B

License ClassAmateur Extra

Min. Class RequiredTechnician

LocationPompano Beach, FL

Grant DateFeb 14, 2022

Expiration DateFeb 14, 2032

Cancellation DateMar 15, 2022

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KO4WTR

Available2x3District 4

No competing applications on record.

License HolderLisler, Alan B

License ClassAmateur Extra

Min. Class RequiredTechnician

LocationPompano Beach, FL

Grant DateFeb 14, 2022

Expiration DateFeb 14, 2032

Cancellation DateMar 15, 2022

Available for ApplicationsMar 16, 2024

KO4WTR is a 2x3 format amateur radio callsign. It is currently registered to Lisler, Alan B in Pompano 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 Whiskey Tango Romeo

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 CanceledMar 15, 2022
License ModifiedFeb 24, 2022
System-Generated GrantFeb 14, 2022
License IssuedFeb 14, 2022

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 KO4WTR Available? FCC Vanity Status & Watchlist