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KC4OIO

Available2x3District 4

No competing applications on record.

License HolderRobertson, James D

License ClassGeneral

Min. Class RequiredTechnician

LocationGallion, AL

Grant DateMar 20, 1990

Expiration DateMar 20, 2000

Cancellation DateMar 21, 2002

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KC4OIO

Available2x3District 4

No competing applications on record.

License HolderRobertson, James D

License ClassGeneral

Min. Class RequiredTechnician

LocationGallion, AL

Grant DateMar 20, 1990

Expiration DateMar 20, 2000

Cancellation DateMar 21, 2002

Available for ApplicationsMar 21, 2002

KC4OIO is a 2x3 format amateur radio callsign. It is currently registered to Robertson, James D in Gallion, AL. 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 Charlie Four Oscar India 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 ExpiredMar 21, 2002

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 15, 2026

Is KC4OIO Available? FCC Vanity Status & Watchlist