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K4WT

Active1x2District 4

Competitive callsign — 5 applications filed with the FCC.

License HolderWOLFERSBERGER, THOMAS F

License ClassAmateur Extra

Min. Class RequiredAmateur Extra

LocationHenderson, NV

Grant DateOct 1, 2016

Expiration DateNov 4, 2026

K4WT is a highly sought-after 1x2 format amateur radio callsign. The license is currently held by WOLFERSBERGER, THOMAS F in Henderson, NV. This callsign has attracted significant interest in the amateur radio community, with 5 vanity applications filed with the FCC. The most recent was submitted by Sherrill, Jim on Aug 24, 2026. K4WT has 6 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

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

Voice Phonetics

Kilo Four Whiskey Tango

Readability: 8.5/10(High readability)

License History

Administrative Update AppliedNov 16, 2023
Administrative Update AppliedNov 16, 2023
Administrative Update AppliedNov 5, 2022
License RenewedOct 1, 2016
License RenewedOct 3, 2006
FRN Association Letter SentJul 15, 2004

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Sherrill, JimFiled Aug 24, 2026
PendingFCC ↗
Hicks, Lynn BFiled Mar 30, 2021
DismissedFCC ↗
Butler III, Harry GFiled Sep 22, 2017
DismissedFCC ↗
Butler III, Harry GFiled Sep 15, 2017

Search external databases

QRZ ↗HamQTH ↗

Explore nearby callsigns

← K4WS K4WU →

FCC data as of Sep 3, 2026

Dismissed

Kraller, Jeffrey AFiled Sep 6, 2017

DismissedFCC ↗

K4WT FCC Vanity Status: 5 Competing Applications & History