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K4MUK

Available1x3District 4

No competing applications on record.

License HolderWilliams, James A

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationKnoxville, TN

Grant DateJan 28, 1999

Expiration DateJan 28, 2009

Cancellation DateDec 15, 2006

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K4MUK

Available1x3District 4

No competing applications on record.

License HolderWilliams, James A

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationKnoxville, TN

Grant DateJan 28, 1999

Expiration DateJan 28, 2009

Cancellation DateDec 15, 2006

Available for ApplicationsDec 16, 2008

K4MUK is a 1x3 format amateur radio callsign. It is currently registered to Williams, James A in Knoxville, TN. 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: 32 units(Moderate)

Voice Phonetics

Kilo Four Mike Uniform Kilo

Readability: 8/10(High readability)

This callsign is available now

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

License History

License CanceledDec 15, 2006
Administrative Update AppliedOct 4, 2006
License ModifiedJun 4, 2001
License ModifiedJul 4, 2000

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 K4MUK Available? FCC Vanity Status & Watchlist