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K1ZZ

Active1x2District 1

Competitive callsign — 3 applications filed with the FCC.

License HolderSUMNER, DAVID G

License ClassAmateur Extra

Min. Class RequiredAmateur Extra

LocationCOVENTRY, CT

Grant DateDec 2, 2020

Expiration DateFeb 26, 2031

K1ZZ is a highly sought-after 1x2 format amateur radio callsign. The license is currently held by SUMNER, DAVID G in COVENTRY, CT. 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 Edmark, Karl W on Aug 24, 2020. K1ZZ has 4 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 36 units(Moderate)

Voice Phonetics

Kilo One Zulu Zulu

Readability: 8.5/10(High readability)

License History

Administrative Update AppliedMar 9, 2021
License RenewedDec 2, 2020
License RenewedDec 2, 2010
License RenewedDec 19, 2000

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Edmark, Karl WFiled Aug 24, 2020
DismissedFCC ↗
Slaughter 536, Darrell EFiled Mar 12, 2018
DismissedFCC ↗
Goldie, Arnold EFiled Mar 27, 2017
DismissedFCC ↗

Search external databases

QRZ ↗HamQTH ↗

Explore nearby callsigns

← K1ZY K2AA →

FCC data as of Sep 4, 2026

K1ZZ FCC Vanity Status: 3 Competing Applications & History