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KD4TLO

Available2x3District 4

No competing applications on record.

License HolderDONSON, WILLIAM A

License ClassAmateur Extra

Min. Class RequiredTechnician

LocationENDICOTT, NY

Grant DateOct 6, 1992

Expiration DateOct 6, 2002

Cancellation DateOct 7, 2004

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KD4TLO

Available2x3District 4

No competing applications on record.

License HolderDONSON, WILLIAM A

License ClassAmateur Extra

Min. Class RequiredTechnician

LocationENDICOTT, NY

Grant DateOct 6, 1992

Expiration DateOct 6, 2002

Cancellation DateOct 7, 2004

Available for ApplicationsOct 7, 2004

KD4TLO is a 2x3 format amateur radio callsign. It is currently registered to DONSON, WILLIAM A in ENDICOTT, NY. 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: 37 units(Moderate)

Voice Phonetics

Kilo Delta Four Tango Lima Oscar

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 ExpiredOct 7, 2004

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 3, 2026

Is KD4TLO Available? FCC Vanity Status & Watchlist