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KM4QZO

Available2x3District 4

No competing applications on record.

License HolderRiley, Robert G

License ClassTechnician

Min. Class RequiredTechnician

LocationCalcutta, OH

Grant DateFeb 10, 2016

Expiration DateFeb 10, 2026

Cancellation DateJun 14, 2016

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KM4QZO

Available2x3District 4

No competing applications on record.

License HolderRiley, Robert G

License ClassTechnician

Min. Class RequiredTechnician

LocationCalcutta, OH

Grant DateFeb 10, 2016

Expiration DateFeb 10, 2026

Cancellation DateJun 14, 2016

Available for ApplicationsJun 15, 2018

KM4QZO is a 2x3 format amateur radio callsign. It is currently registered to Riley, Robert G in Calcutta, OH. 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: 47 units(Heavy (slower to send))

Voice Phonetics

Kilo Mike Four Quebec Zulu Oscar

Readability: 8/10(High readability)

This callsign is available now

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

License History

License CanceledJun 14, 2016
License ModifiedMay 25, 2016
License ModifiedApr 4, 2016
System-Generated GrantFeb 10, 2016
License IssuedFeb 10, 2016

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

QRZ ↗HamQTH ↗

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FCC data as of Sep 12, 2026

Is KM4QZO Available? FCC Vanity Status & Watchlist