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KO4ACE

Active2x3District 4

Competitive callsign — 1 application filed with the FCC.

License HolderNELSON, WALTER R

License ClassGeneral

Min. Class RequiredTechnician

LocationPlymouth, MN

Grant DateNov 18, 2019

Expiration DateNov 18, 2029

KO4ACE is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by NELSON, WALTER R in Plymouth, MN. 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 Thompson, Marc T on Apr 23, 2021. KO4ACE has 3 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 36 units(Moderate)

Voice Phonetics

Kilo Oscar Four Alpha Charlie Echo

Readability: 7.5/10(High readability)

License History

Administrative Update AppliedJun 29, 2021
System-Generated GrantNov 18, 2019
License IssuedNov 18, 2019

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Thompson, Marc TFiled Apr 23, 2021
Not awardedFCC ↗

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FCC data as of Jul 30, 2026

KO4ACE FCC Vanity Status: 1 Competing Application & History