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K0LSA

Available1x3District 0

Competitive callsign — 1 application filed with the FCC.

License HolderDunn, Carter S

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationDenver, CO

Grant DateMay 15, 2018

Expiration DateMay 15, 2028

Cancellation DateJun 1, 2022

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K0LSA

Available1x3District 0

Competitive callsign — 1 application filed with the FCC.

License HolderDunn, Carter S

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationDenver, CO

Grant DateMay 15, 2018

Expiration DateMay 15, 2028

Cancellation DateJun 1, 2022

Available for ApplicationsJun 2, 2024

K0LSA is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Dunn, Carter S in Denver, CO. 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 Dunn, Carter S on Apr 27, 2018. K0LSA has 5 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 35 units(Moderate)

Voice Phonetics

Kilo Zero Lima Sierra Alpha

Readability: 7/10(Good readability)

This callsign is available now

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

License History

License CanceledJun 1, 2022
License ModifiedFeb 25, 2022
License ModifiedJan 18, 2022
License IssuedMay 15, 2018
Vanity Callsign GrantedMay 15, 2018

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Dunn, Carter SFiled Apr 27, 2018
Not awardedFCC ↗

Search external databases

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← K0LRV K0LSB →

FCC data as of Sep 3, 2026

K0LSA FCC Vanity Status: 1 Competing Application & History