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K4VSV

Active1x3District 4

Competitive callsign — 2 applications filed with the FCC.

License HolderMANNHEIM, WILLIAM A

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationROCK HILL, SC

Grant DateNov 16, 2019

Expiration DateDec 24, 2029

K4VSV is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by MANNHEIM, WILLIAM A in ROCK HILL, SC. 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 MANNHEIM, WILLIAM A on Dec 6, 1999. K4VSV has 3 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 29 units(Light (fast to send))

Voice Phonetics

Kilo Four Victor Sierra Victor

Readability: 7.5/10(High readability)

License History

License RenewedNov 16, 2019
License RenewedNov 6, 2009
License IssuedDec 24, 1999

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

MANNHEIM, WILLIAM AFiled Dec 6, 1999
Not awardedFCC ↗
STARR, ADAM CFiled Dec 6, 1999
Not awardedFCC ↗

Search external databases

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FCC data as of Sep 3, 2026

K4VSV FCC Vanity Status: 2 Competing Applications & History