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K4MJO

Active1x3District 4

Competitive callsign — 3 applications filed with the FCC.

License HolderSIMMONS, MATTHEW M

License ClassTechnician

Min. Class RequiredGeneral

LocationSOUTH HILL, VA

Grant DateSep 28, 2024

Expiration DateSep 28, 2034

K4MJO is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by SIMMONS, MATTHEW M in SOUTH HILL, VA. This callsign has attracted significant interest in the amateur radio community, with 3 vanity applications filed with the FCC. The most recent was submitted by SIMMONS, MATTHEW M on Sep 10, 2024. K4MJO has 9 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 39 units(Moderate)

Voice Phonetics

Kilo Four Mike Juliet Oscar

Readability: 8/10(High readability)

License History

Vanity Callsign GrantedSep 28, 2024
License IssuedSep 28, 2024
Internal Correction AppliedSep 10, 2024
Internal Correction AppliedSep 10, 2024
Administrative Update AppliedJan 18, 2022
License RenewedJan 6, 2020
Administrative Update AppliedAug 12, 2017
License IssuedJan 15, 2010
Vanity Callsign GrantedJan 15, 2010

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

SIMMONS, MATTHEW MFiled Sep 10, 2024
Not awardedFCC ↗
SIMMONS SR, SAMUEL LFiled Dec 28, 2009
Not awardedFCC ↗
Wehrli, Peter JFiled Dec 28, 2009
Not awardedFCC ↗

Search external databases

QRZ ↗HamQTH ↗

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← K4MJN K4MJP →

FCC data as of Sep 4, 2026

K4MJO FCC Vanity Status: 3 Competing Applications & History