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K4MSX

Active1x3District 4

Competitive callsign — 1 application filed with the FCC.

License HolderWHEELER, RYAN W

License ClassGeneral

Min. Class RequiredGeneral

LocationMARION, NC

Grant DateApr 29, 2026

Expiration DateJun 20, 2036

K4MSX is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by WHEELER, RYAN W in MARION, NC. 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 Wheeler, Ryan W on Jun 2, 2006. K4MSX has 5 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 31 units(Moderate)

Voice Phonetics

Kilo Four Mike Sierra X-ray

Readability: 8/10(High readability)

License History

License RenewedApr 29, 2026
Administrative Update AppliedJul 1, 2016
License RenewedApr 7, 2016
License IssuedJun 20, 2006
Vanity Callsign GrantedJun 20, 2006

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Wheeler, Ryan WFiled Jun 2, 2006
Not awardedFCC ↗

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FCC data as of Sep 3, 2026

K4MSX FCC Vanity Status: 1 Competing Application & History