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K4AOJ

Available1x3District 4

Competitive callsign — 1 application filed with the FCC.

License HolderMARTIN, WALTER H

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationACWORTH, GA

Grant DateJun 29, 2004

Expiration DateSep 7, 2014

Cancellation DateSep 8, 2016

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K4AOJ

Available1x3District 4

Competitive callsign — 1 application filed with the FCC.

License HolderMARTIN, WALTER H

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationACWORTH, GA

Grant DateJun 29, 2004

Expiration DateSep 7, 2014

Cancellation DateSep 8, 2016

Available for ApplicationsSep 8, 2016

K4AOJ is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by MARTIN, WALTER H in ACWORTH, GA. 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 Rogers, Philip on Oct 21, 2021. K4AOJ has 4 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 37 units(Moderate)

Voice Phonetics

Kilo Four Alpha Oscar Juliet

Readability: 7.5/10(High readability)

This callsign is available now

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

License History

License ExpiredSep 8, 2016
License RenewedJun 29, 2004
Administrative Update AppliedDec 16, 2003
License ModifiedFeb 26, 2002

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Rogers, PhilipFiled Oct 21, 2021
Not awardedFCC ↗

Search external databases

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← K4AOH K4AOK →

FCC data as of Sep 4, 2026

K4AOJ FCC Vanity Status: 1 Competing Application & History