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KO6ARN

Available2x3District 6

Competitive callsign — 1 application filed with the FCC.

License HolderMcHenry County Grid Rats

Min. Class RequiredTechnician

LocationWoodstock, IL

Grant DateJul 28, 2023

Expiration DateJul 28, 2033

Cancellation DateJun 25, 2024

Available for ApplicationsJun 26, 2026

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KO6ARN

Available2x3District 6

Competitive callsign — 1 application filed with the FCC.

License HolderMcHenry County Grid Rats

Min. Class RequiredTechnician

LocationWoodstock, IL

Grant DateJul 28, 2023

Expiration DateJul 28, 2033

Cancellation DateJun 25, 2024

Available for ApplicationsJun 26, 2026

KO6ARN is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by McHenry County Grid Rats in Woodstock, IL. 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 Alarcon, Aaron on May 26, 2026. KO6ARN has 5 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 36 units(Moderate)

Voice Phonetics

Kilo Oscar Six Alpha Romeo November

Readability: 6.5/10(Good readability)

This callsign is available now

Requires Technician license or higher to apply for this callsign format (2x3).

License History

License CanceledJun 25, 2024
Administrative Update AppliedJun 11, 2024
Administrative Update AppliedJan 9, 2024
System-Generated GrantJul 28, 2023
License IssuedJul 28, 2023

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Alarcon, AaronFiled May 26, 2026
Not awardedFCC ↗

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← KO6ARM KO6ARO →

FCC data as of Jul 10, 2026

KO6ARN FCC Vanity Status: 1 Competing Application & History