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K0LRS

Active1x3District 0

Competitive callsign — 1 application filed with the FCC.

License HolderHuff, Mark F

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationFrederick, CO

Grant DateJun 9, 2020

Expiration DateJun 9, 2030

K0LRS is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Huff, Mark F in Frederick, 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 Huff, Mark F on May 10, 2010. K0LRS has 3 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 36 units(Moderate)

Voice Phonetics

Kilo Zero Lima Romeo Sierra

Readability: 6.5/10(Good readability)

License History

License RenewedJun 9, 2020
License IssuedMay 28, 2010
Vanity Callsign GrantedMay 28, 2010

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Huff, Mark FFiled May 10, 2010
Not awardedFCC ↗

Search external databases

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FCC data as of Sep 4, 2026

K0LRS FCC Vanity Status: 1 Competing Application & History