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KD4EEF

Available2x3District 4

No competing applications on record.

License HolderMAYO, ROBERT A

License ClassTechnician

Min. Class RequiredTechnician

LocationANTIOCH, TN

Grant DateSep 28, 1993

Expiration DateSep 28, 2003

Cancellation DateSep 29, 2005

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KD4EEF

Available2x3District 4

No competing applications on record.

License HolderMAYO, ROBERT A

License ClassTechnician

Min. Class RequiredTechnician

LocationANTIOCH, TN

Grant DateSep 28, 1993

Expiration DateSep 28, 2003

Cancellation DateSep 29, 2005

Available for ApplicationsSep 29, 2005

KD4EEF is a 2x3 format amateur radio callsign. It is currently registered to MAYO, ROBERT A in ANTIOCH, 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: 27 units(Light (fast to send))

Voice Phonetics

Kilo Delta Four Echo Echo Foxtrot

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 ExpiredJan 4, 2006

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 Sep 3, 2026

Is KD4EEF Available? FCC Vanity Status & Watchlist