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K4OI

Active1x2District 4

Competitive callsign — 1 application filed with the FCC.

License HolderWILLIAMS JR, WOODROW W

License ClassAmateur Extra

Min. Class RequiredAmateur Extra

LocationFOREST CITY, NC

Grant DateNov 21, 2018

Expiration DateNov 21, 2028

K4OI is a highly sought-after 1x2 format amateur radio callsign. The license is currently held by WILLIAMS JR, WOODROW W in FOREST CITY, NC. 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 Bodnar, Donald G on Aug 27, 2018. K4OI has 2 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 25 units(Light (fast to send))

Voice Phonetics

Kilo Four Oscar India

Readability: 8/10(High readability)

License History

License RenewedNov 21, 2018
License RenewedDec 13, 2006

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Bodnar, Donald GFiled Aug 27, 2018
DismissedFCC ↗

Search external databases

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← K4OH K4OJ →

FCC data as of Sep 4, 2026

K4OI FCC Vanity Status: 1 Competing Application & History