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K4SBW

Active1x3District 4

Competitive callsign — 3 applications filed with the FCC.

License HolderWalkup, Samuel B

License ClassTechnician

Min. Class RequiredGeneral

LocationForest, VA

Grant DateJan 22, 2026

Expiration DateMar 5, 2036

K4SBW is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Walkup, Samuel B in Forest, 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 Walkup, Samuel B on Feb 16, 2016. K4SBW has 3 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 30 units(Light (fast to send))

Voice Phonetics

Kilo Four Sierra Bravo Whiskey

Readability: 7.5/10(High readability)

License History

License RenewedJan 22, 2026
License IssuedMar 5, 2016
Vanity Callsign GrantedMar 5, 2016

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Walkup, Samuel BFiled Feb 16, 2016
Not awardedFCC ↗
Johnson, Stanley AFiled Dec 31, 2007
Not awardedFCC ↗
Strasser, LouAnn RFiled Dec 31, 2007
Not awardedFCC ↗

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FCC data as of Sep 3, 2026

K4SBW FCC Vanity Status: 3 Competing Applications & History