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N4ERO

Available1x3District 4

Competitive callsign — 1 application filed with the FCC.

License HolderMAK, ERIC S

License ClassTechnician

Min. Class RequiredGeneral

LocationHONOLULU, HI

Grant DateNov 22, 2012

Expiration DateFeb 15, 2023

Cancellation DateFeb 19, 2025

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N4ERO

Available1x3District 4

Competitive callsign — 1 application filed with the FCC.

License HolderMAK, ERIC S

License ClassTechnician

Min. Class RequiredGeneral

LocationHONOLULU, HI

Grant DateNov 22, 2012

Expiration DateFeb 15, 2023

Cancellation DateFeb 19, 2025

Available for ApplicationsFeb 16, 2025

N4ERO is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by MAK, ERIC S in HONOLULU, HI. 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 COOK, CARL B on Jan 27, 2003. N4ERO has 12 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 26 units(Light (fast to send))

Voice Phonetics

November Four Echo Romeo Oscar

Readability: 7/10(Good readability)

This callsign is available now

Requires General license or higher to apply for this callsign format (1x3).

License History

License ExpiredFeb 19, 2025
License RenewedNov 22, 2012
Administrative Update AppliedNov 2, 2012
Administrative Update AppliedAug 31, 2010
Administrative Update AppliedMar 9, 2010
License ModifiedApr 22, 2009
Administrative Update AppliedOct 18, 2008
Administrative Update AppliedMar 25, 2008
Administrative Update AppliedNov 8, 2007
Administrative Update AppliedOct 14, 2004
License IssuedFeb 15, 2003

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

COOK, CARL BFiled Jan 27, 2003
Not awardedFCC ↗

Search external databases

QRZ ↗HamQTH ↗

Explore nearby callsigns

← N4ERN N4ERP →

FCC data as of Sep 3, 2026

Vanity Callsign Granted

Feb 15, 2003

N4ERO FCC Vanity Status: 1 Competing Application & History