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K4GSW

Active1x3District 4

Competitive callsign — 1 application filed with the FCC.

License HolderJEFFERY, ROBERT S

License ClassTechnician

Min. Class RequiredGeneral

LocationMadison, AL

Grant DateNov 2, 2018

Expiration DateNov 2, 2028

K4GSW is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by JEFFERY, ROBERT S in Madison, AL. 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 Williams Jr, Garr S on Oct 15, 2018. K4GSW has 6 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 31 units(Moderate)

Voice Phonetics

Kilo Four Golf Sierra Whiskey

Readability: 8/10(High readability)

License History

License ModifiedJun 1, 2022
License IssuedNov 2, 2018
Vanity Callsign GrantedNov 2, 2018
License ExpiredOct 12, 2018
License RenewedOct 11, 2006
FRN Association Email SentOct 10, 2006

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Williams Jr, Garr SFiled Oct 15, 2018
Not awardedFCC ↗

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FCC data as of Sep 3, 2026

K4GSW FCC Vanity Status: 1 Competing Application & History