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K0STK

Active1x3District 0

Competitive callsign — 1 application filed with the FCC.

License HolderKostecke III, Stephen T

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationWest Fargo, ND

Grant DateJul 20, 2021

Expiration DateSep 13, 2031

K0STK is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Kostecke III, Stephen T in West Fargo, ND. 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 Kostecke III, Stephen T on Aug 24, 2011. K0STK has 5 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 35 units(Moderate)

Voice Phonetics

Kilo Zero Sierra Tango Kilo

Readability: 7/10(Good readability)

License History

License RenewedJul 20, 2021
Administrative Update AppliedJan 6, 2021
Administrative Update AppliedJul 18, 2014
License IssuedSep 13, 2011
Vanity Callsign GrantedSep 13, 2011

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Kostecke III, Stephen TFiled Aug 24, 2011
Not awardedFCC ↗

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← K0STJ K0STL →

FCC data as of Sep 3, 2026

K0STK FCC Vanity Status: 1 Competing Application & History