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KN4MFJ

Available2x3District 4

No competing applications on record.

License HolderBreyer, Jeffrey A

License ClassAmateur Extra

Min. Class RequiredTechnician

LocationMemphis, TN

Grant DateMay 11, 2018

Expiration DateMay 11, 2028

Cancellation DateJun 5, 2018

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KN4MFJ

Available2x3District 4

No competing applications on record.

License HolderBreyer, Jeffrey A

License ClassAmateur Extra

Min. Class RequiredTechnician

LocationMemphis, TN

Grant DateMay 11, 2018

Expiration DateMay 11, 2028

Cancellation DateJun 5, 2018

Available for ApplicationsJun 6, 2020

KN4MFJ is a 2x3 format amateur radio callsign. It is currently registered to Breyer, Jeffrey A in Memphis, 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: 40 units(Moderate)

Voice Phonetics

Kilo November Four Mike Foxtrot Juliet

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 CanceledJun 5, 2018
System-Generated GrantMay 11, 2018
License IssuedMay 11, 2018

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 12, 2026

Is KN4MFJ Available? FCC Vanity Status & Watchlist