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K4SBZ

Active1x3District 4

Competitive callsign — 1 application filed with the FCC.

License HolderZawrotny, Stan

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationTallahassee, FL

Grant DateOct 26, 2018

Expiration DateJan 23, 2029

K4SBZ is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Zawrotny, Stan in Tallahassee, FL. 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 Zawrotny, Stanley B on Jan 5, 2009. K4SBZ has 5 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 31 units(Moderate)

Voice Phonetics

Kilo Four Sierra Bravo Zulu

Readability: 7.5/10(High readability)

License History

License RenewedOct 26, 2018
Administrative Update AppliedMar 26, 2013
Administrative Update AppliedSep 13, 2011
License IssuedJan 23, 2009
Vanity Callsign GrantedJan 23, 2009

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Zawrotny, Stanley BFiled Jan 5, 2009
Not awardedFCC ↗

Search external databases

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FCC data as of Sep 3, 2026

K4SBZ FCC Vanity Status: 1 Competing Application & History