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W5SMS

Active1x3District 5

Competitive callsign — 2 applications filed with the FCC.

License HolderSINAY, SEAN M

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationAUSTIN, TX

Grant DateApr 15, 2017

Expiration DateApr 15, 2027

W5SMS is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by SINAY, SEAN M in AUSTIN, TX. This callsign has attracted significant interest in the amateur radio community, with 2 vanity applications filed with the FCC. The most recent was submitted by SINAY, SEAN M on Mar 28, 2017. W5SMS has 6 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 24 units(Light (fast to send))

Voice Phonetics

Whiskey Five Sierra Mike Sierra

Readability: 7.5/10(High readability)

License History

License ModifiedAug 14, 2019
License IssuedApr 15, 2017
Vanity Callsign GrantedApr 15, 2017
License ExpiredSep 15, 2015
Tax ID (TIN) AddedJul 24, 2003
License RenewedJul 24, 2003

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

SINAY, SEAN MFiled Mar 28, 2017
Not awardedFCC ↗
DE ROOS, JOHN TFiled Sep 9, 2013
Not awardedFCC ↗

Search external databases

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FCC data as of Jul 10, 2026

W5SMS FCC Vanity Status: 2 Competing Applications & History