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KI4COO

Available2x3District 4

No competing applications on record.

License HolderGrainger, Charles R

License ClassTechnician

Min. Class RequiredTechnician

LocationSpringfield, VA

Grant DateOct 15, 2003

Expiration DateOct 15, 2013

Cancellation DateOct 16, 2015

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KI4COO

Available2x3District 4

No competing applications on record.

License HolderGrainger, Charles R

License ClassTechnician

Min. Class RequiredTechnician

LocationSpringfield, VA

Grant DateOct 15, 2003

Expiration DateOct 15, 2013

Cancellation DateOct 16, 2015

Available for ApplicationsOct 16, 2015

KI4COO is a 2x3 format amateur radio callsign. It is currently registered to Grainger, Charles R in Springfield, VA. 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: 42 units(Heavy (slower to send))

Voice Phonetics

Kilo India Four Charlie Oscar Oscar

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 ExpiredOct 16, 2015
License IssuedOct 15, 2003

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 KI4COO Available? FCC Vanity Status & Watchlist