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KO4NPA

Available2x3District 4

No competing applications on record.

License HolderWINCHESTER, DOUGLAS A

License ClassTechnician

Min. Class RequiredTechnician

LocationAYER, MA

Grant DateMar 2, 2021

Expiration DateMar 2, 2031

Cancellation DateMar 30, 2021

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KO4NPA

Available2x3District 4

No competing applications on record.

License HolderWINCHESTER, DOUGLAS A

License ClassTechnician

Min. Class RequiredTechnician

LocationAYER, MA

Grant DateMar 2, 2021

Expiration DateMar 2, 2031

Cancellation DateMar 30, 2021

Available for ApplicationsMar 31, 2023

KO4NPA is a 2x3 format amateur radio callsign. It is currently registered to WINCHESTER, DOUGLAS A in AYER, MA. 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 Oscar Four November Papa Alpha

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 30, 2021
System-Generated GrantMar 2, 2021
License IssuedMar 2, 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 KO4NPA Available? FCC Vanity Status & Watchlist