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N4IXU

Available1x3District 4

No competing applications on record.

License HolderKNUDSON, WILLIAM B

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationYARDLEY, PA

Grant DateMay 21, 1997

Expiration DateMay 21, 2007

Cancellation DateMay 22, 2009

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N4IXU

Available1x3District 4

No competing applications on record.

License HolderKNUDSON, WILLIAM B

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationYARDLEY, PA

Grant DateMay 21, 1997

Expiration DateMay 21, 2007

Cancellation DateMay 22, 2009

Available for ApplicationsMay 22, 2009

N4IXU is a 1x3 format amateur radio callsign. It is currently registered to KNUDSON, WILLIAM B in YARDLEY, PA. 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: 26 units(Light (fast to send))

Voice Phonetics

November Four India X-ray Uniform

Readability: 6.5/10(Good readability)

This callsign is available now

Requires General license or higher to apply for this callsign format (1x3).

License History

License ExpiredMay 22, 2009

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 N4IXU Available? FCC Vanity Status & Watchlist