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N4XOB

Available1x3District 4

No competing applications on record.

License HolderKraemer, Michael A

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationMissoula, MT

Grant DateDec 12, 1989

Expiration DateDec 12, 1999

Cancellation DateMar 7, 2002

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N4XOB

Available1x3District 4

No competing applications on record.

License HolderKraemer, Michael A

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationMissoula, MT

Grant DateDec 12, 1989

Expiration DateDec 12, 1999

Cancellation DateMar 7, 2002

Available for ApplicationsDec 13, 2001

N4XOB is a 1x3 format amateur radio callsign. It is currently registered to Kraemer, Michael A in Missoula, MT. 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: 34 units(Moderate)

Voice Phonetics

November Four X-ray Oscar Bravo

Readability: 7.5/10(High readability)

This callsign is available now

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

License History

License ExpiredMar 7, 2002

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 Jul 30, 2026

Is N4XOB Available? FCC Vanity Status & Watchlist