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K4CXS

Active1x3District 4

Competitive callsign — 2 applications filed with the FCC.

License HolderGustafson, Robert H

Min. Class RequiredGeneral

LocationCAMBRIDGE, MN

Grant DateMar 15, 2023

Expiration DateMar 22, 2033

K4CXS is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Gustafson, Robert H in CAMBRIDGE, MN. This callsign has attracted significant interest in the amateur radio community, with 2 vanity applications filed with the FCC. The most recent was submitted by SPALDING COUNTY AMATEUR RADIO CLUB on Mar 4, 2013. K4CXS has 9 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 33 units(Moderate)

Voice Phonetics

Kilo Four Charlie X-ray Sierra

Readability: 7.5/10(High readability)

License History

License RenewedMar 15, 2023
Administrative Update AppliedMar 27, 2013
Vanity Callsign GrantedMar 22, 2013
License IssuedMar 22, 2013
Internal Correction AppliedMar 1, 2013
Internal Correction AppliedMar 1, 2013
License ModifiedFeb 28, 2005
License IssuedApr 12, 2003
Vanity Callsign GrantedApr 12, 2003

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

SPALDING COUNTY AMATEUR RADIO CLUBFiled Mar 4, 2013
Not awardedFCC ↗
JONES, DONALD RFiled Mar 25, 2003
Not awardedFCC ↗

Search external databases

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← K4CXR K4CXU →

FCC data as of Sep 4, 2026

K4CXS FCC Vanity Status: 2 Competing Applications & History