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W0ZDT

Available1x3District 0

Competitive callsign — 1 application filed with the FCC.

License HolderKLUMPER, MATTHEW

License ClassGeneral

Min. Class RequiredGeneral

LocationSioux Falls, SD

Grant DateDec 20, 2016

Expiration DateDec 20, 2026

Cancellation DateJun 22, 2019

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W0ZDT

Available1x3District 0

Competitive callsign — 1 application filed with the FCC.

License HolderKLUMPER, MATTHEW

License ClassGeneral

Min. Class RequiredGeneral

LocationSioux Falls, SD

Grant DateDec 20, 2016

Expiration DateDec 20, 2026

Cancellation DateJun 22, 2019

Available for ApplicationsJun 23, 2021

W0ZDT is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by KLUMPER, MATTHEW in Sioux Falls, SD. 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 KLUMPER, MATTHEW on Dec 1, 2016. W0ZDT has 4 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 38 units(Moderate)

Voice Phonetics

Whiskey Zero Zulu Delta Tango

Readability: 7.5/10(High readability)

This callsign is available now

Requires General license or higher to apply for this callsign format (1x3).

License History

License CanceledJun 22, 2019
License IssuedDec 20, 2016
Vanity Callsign GrantedDec 20, 2016
License ExpiredFeb 6, 2008

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

KLUMPER, MATTHEWFiled Dec 1, 2016
Not awardedFCC ↗

Search external databases

QRZ ↗HamQTH ↗

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FCC data as of Jul 10, 2026

W0ZDT FCC Vanity Status: 1 Competing Application & History