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KD4PTO

Available2x3District 4

No competing applications on record.

License HolderMalewski, Ralph S

License ClassAmateur Extra

Min. Class RequiredTechnician

LocationOberlin, OH

Grant DateJun 23, 1992

Expiration DateJun 23, 2002

Cancellation DateJun 24, 2004

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KD4PTO

Available2x3District 4

No competing applications on record.

License HolderMalewski, Ralph S

License ClassAmateur Extra

Min. Class RequiredTechnician

LocationOberlin, OH

Grant DateJun 23, 1992

Expiration DateJun 23, 2002

Cancellation DateJun 24, 2004

Available for ApplicationsJun 24, 2004

KD4PTO is a 2x3 format amateur radio callsign. It is currently registered to Malewski, Ralph S in Oberlin, OH. 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: 39 units(Moderate)

Voice Phonetics

Kilo Delta Four Papa 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 ExpiredJun 24, 2004

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 KD4PTO Available? FCC Vanity Status & Watchlist