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KO4HWA

Available2x3District 4

No competing applications on record.

License HolderCastillo, Stephen L

License ClassGeneral

Min. Class RequiredTechnician

LocationFlorence, KY

Grant DateSep 28, 2020

Expiration DateSep 28, 2030

Cancellation DateOct 16, 2020

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KO4HWA

Available2x3District 4

No competing applications on record.

License HolderCastillo, Stephen L

License ClassGeneral

Min. Class RequiredTechnician

LocationFlorence, KY

Grant DateSep 28, 2020

Expiration DateSep 28, 2030

Cancellation DateOct 16, 2020

Available for ApplicationsOct 17, 2022

KO4HWA is a 2x3 format amateur radio callsign. It is currently registered to Castillo, Stephen L in Florence, KY. 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 Hotel Whiskey 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 CanceledOct 16, 2020
System-Generated GrantSep 28, 2020
License IssuedSep 28, 2020

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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← KO4HVZ KO4HWB →

FCC data as of Jul 8, 2026

Is KO4HWA Available? FCC Vanity Status & Watchlist