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W4SIS

Active1x3District 4

Competitive callsign — 1 application filed with the FCC.

License HolderLEWIS, THOMAS H

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationRALEIGH, NC

Grant DateMar 1, 2017

Expiration DateApr 1, 2027

W4SIS is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by LEWIS, THOMAS H in RALEIGH, 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 Clyde, Angela M on Nov 26, 2013. W4SIS has 3 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 22 units(Light (fast to send))

Voice Phonetics

Whiskey Four Sierra India Sierra

Readability: 6.5/10(Good readability)

License History

License RenewedMar 1, 2017
License RenewedJan 25, 2007
FRN Association Email SentJan 23, 2007

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Clyde, Angela MFiled Nov 26, 2013
Not awardedFCC ↗

Search external databases

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FCC data as of Sep 3, 2026

W4SIS FCC Vanity Status: 1 Competing Application & History