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KC4SZ

Available2x2District 4

Competitive callsign — 1 application filed with the FCC.

License HolderCRAWFORD III, CHARLES E

License ClassTechnician

Min. Class RequiredGeneral

LocationConover, NC

Grant DateJun 20, 2020

Expiration DateJun 20, 2030

Cancellation DateOct 13, 2023

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KC4SZ

Available2x2District 4

Competitive callsign — 1 application filed with the FCC.

License HolderCRAWFORD III, CHARLES E

License ClassTechnician

Min. Class RequiredGeneral

LocationConover, NC

Grant DateJun 20, 2020

Expiration DateJun 20, 2030

Cancellation DateOct 13, 2023

Available for ApplicationsOct 14, 2025

KC4SZ is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by CRAWFORD III, CHARLES E in Conover, NC. 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 ZAWACKI, STEPHEN J on Jun 2, 2020. KC4SZ has 3 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 33 units(Moderate)

Voice Phonetics

Kilo Charlie Four Sierra Zulu

Readability: 7.5/10(High readability)

This callsign is available now

Requires General license or higher to apply for this callsign format (2x2).

License History

License CanceledOct 13, 2023
License IssuedJun 20, 2020
Vanity Callsign GrantedJun 20, 2020

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

ZAWACKI, STEPHEN JFiled Jun 2, 2020
Not awardedFCC ↗

Search external databases

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← KC4SY KC4TA →

FCC data as of Jul 31, 2026

KC4SZ FCC Vanity Status: 1 Competing Application & History