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K0LLN

Active1x3District 0

Competitive callsign — 2 applications filed with the FCC.

License HolderSawyer, Collin M

License ClassTechnician

Min. Class RequiredGeneral

LocationIOWA CITY, IA

Grant DateAug 1, 2017

Expiration DateSep 23, 2026

K0LLN is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Sawyer, Collin M in IOWA CITY, 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 Hawks III, James E on Sep 5, 2006. K0LLN has 3 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 38 units(Moderate)

Voice Phonetics

Kilo Zero Lima Lima November

Readability: 7/10(Good readability)

License History

License RenewedAug 1, 2017
License IssuedSep 23, 2006
Vanity Callsign GrantedSep 23, 2006

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Hawks III, James EFiled Sep 5, 2006
Not awardedFCC ↗
Sawyer, Collin MFiled Sep 5, 2006
Not awardedFCC ↗

Search external databases

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FCC data as of Sep 3, 2026

K0LLN FCC Vanity Status: 2 Competing Applications & History