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K1CLS

Available1x3District 1

Competitive callsign — 1 application filed with the FCC.

License HolderCape Cod Lighthouse Charter School

Min. Class RequiredGeneral

LocationHarwich, MA

Grant DateApr 29, 2014

Expiration DateApr 29, 2024

Cancellation DateApr 30, 2026

Available for ApplicationsApr 30, 2026

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K1CLS

Available1x3District 1

Competitive callsign — 1 application filed with the FCC.

License HolderCape Cod Lighthouse Charter School

Min. Class RequiredGeneral

LocationHarwich, MA

Grant DateApr 29, 2014

Expiration DateApr 29, 2024

Cancellation DateApr 30, 2026

Available for ApplicationsApr 30, 2026

K1CLS is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Cape Cod Lighthouse Charter School in Harwich, MA. 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 Cape Cod Lighthouse Charter School on Apr 9, 2014. K1CLS has 3 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 37 units(Moderate)

Voice Phonetics

Kilo One Charlie Lima Sierra

Readability: 7.5/10(High readability)

This callsign is available now

Requires General license or higher to apply for this callsign format (1x3).

License History

License ExpiredApr 30, 2026
License IssuedApr 29, 2014
Vanity Callsign GrantedApr 29, 2014

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Cape Cod Lighthouse Charter SchoolFiled Apr 9, 2014
Not awardedFCC ↗

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← K1CLQ K1CLT →

FCC data as of Sep 3, 2026

K1CLS FCC Vanity Status: 1 Competing Application & History