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KK4YFE

Available2x3District 4

No competing applications on record.

License HolderGREENLEE, NATHAN N

License ClassTechnician

Min. Class RequiredTechnician

LocationELIZABETH, CO

Grant DateFeb 12, 2014

Expiration DateMar 5, 2024

Cancellation DateMay 7, 2026

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KK4YFE

Available2x3District 4

No competing applications on record.

License HolderGREENLEE, NATHAN N

License ClassTechnician

Min. Class RequiredTechnician

LocationELIZABETH, CO

Grant DateFeb 12, 2014

Expiration DateMar 5, 2024

Cancellation DateMay 7, 2026

Available for ApplicationsMar 6, 2026

KK4YFE is a 2x3 format amateur radio callsign. It is currently registered to GREENLEE, NATHAN N in ELIZABETH, CO. 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: 38 units(Moderate)

Voice Phonetics

Kilo Kilo Four Yankee Foxtrot Echo

Readability: 7.5/10(High readability)

This callsign is available now

Requires Technician license or higher to apply for this callsign format (2x3).

License History

License ExpiredMay 7, 2026
System-Generated GrantFeb 12, 2014
License IssuedFeb 12, 2014

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.

Search external databases

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FCC data as of Jul 31, 2026

Is KK4YFE Available? FCC Vanity Status & Watchlist