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K0IS

Active1x2District 0

Competitive callsign — 2 applications filed with the FCC.

License HolderAlbrecht, Larry S

License ClassAmateur Extra

Min. Class RequiredAmateur Extra

LocationLe Claire, IA

Grant DateJun 19, 2017

Expiration DateAug 26, 2027

K0IS is a highly sought-after 1x2 format amateur radio callsign. The license is currently held by Albrecht, Larry S in Le Claire, IA. 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 DE JONG, MARVIN L on Apr 20, 2000. K0IS has 2 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 27 units(Light (fast to send))

Voice Phonetics

Kilo Zero India Sierra

Readability: 7/10(Good readability)

License History

License RenewedJun 19, 2017
License RenewedMay 30, 2007

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

DE JONG, MARVIN LFiled Apr 20, 2000
Not awardedFCC ↗
LANGSTROTH, WAYNE EFiled Apr 20, 2000
Not awardedFCC ↗

Search external databases

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FCC data as of Sep 3, 2026

K0IS FCC Vanity Status: 2 Competing Applications & History