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K4OIW

Active1x3District 4

Competitive callsign — 1 application filed with the FCC.

License HolderSMITH, TIMOTHY A

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationIRMO, SC

Grant DateMar 2, 2018

Expiration DateMar 2, 2028

K4OIW is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by SMITH, TIMOTHY A in IRMO, SC. 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 SMITH, TIMOTHY A on Feb 12, 2018. K4OIW has 4 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 32 units(Moderate)

Voice Phonetics

Kilo Four Oscar India Whiskey

Readability: 7.5/10(High readability)

License History

Administrative Update AppliedMar 27, 2021
License ModifiedOct 29, 2018
License IssuedMar 2, 2018
Vanity Callsign GrantedMar 2, 2018

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

SMITH, TIMOTHY AFiled Feb 12, 2018
Not awardedFCC ↗

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FCC data as of Sep 4, 2026

K4OIW FCC Vanity Status: 1 Competing Application & History