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KO4MCO

Available2x3District 4

Competitive callsign — 1 application filed with the FCC.

License HolderRODRIGUEZ ORTIZ, HECTOR I

License ClassNovice

Min. Class RequiredTechnician

LocationMOROVIS, PR

Grant DateJan 14, 1998

Expiration DateJan 14, 2008

Cancellation DateJan 15, 2010

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KO4MCO

Available2x3District 4

Competitive callsign — 1 application filed with the FCC.

License HolderRODRIGUEZ ORTIZ, HECTOR I

License ClassNovice

Min. Class RequiredTechnician

LocationMOROVIS, PR

Grant DateJan 14, 1998

Expiration DateJan 14, 2008

Cancellation DateJan 15, 2010

Available for ApplicationsJan 15, 2010

KO4MCO is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by RODRIGUEZ ORTIZ, HECTOR I in MOROVIS, PR. This callsign has attracted significant interest in the amateur radio community, with 1 vanity application filed with the FCC. The most recent was submitted by Elkins, Stanley R on Sep 6, 2024. KO4MCO has 1 recorded FCC license history event.

CW & Voice Analysis

Morse Code

-.- --- ....- -- -.-. ---

CW Weight: 46 units(Heavy (slower to send))

Voice Phonetics

Kilo Oscar Four Mike Charlie 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 ExpiredJan 15, 2010

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Elkins, Stanley RFiled Sep 6, 2024
Not awardedFCC ↗

Search external databases

QRZ ↗HamQTH ↗

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← KO4MCN KO4MCP →

FCC data as of Sep 4, 2026

KO4MCO FCC Vanity Status: 1 Competing Application & History