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N4DIW

Active1x3District 4

Competitive callsign — 1 application filed with the FCC.

License HolderWilburn, Daniel I

License ClassTechnician

Min. Class RequiredGeneral

LocationKnoxville, TN

Grant DateJan 21, 2026

Expiration DateApr 9, 2036

N4DIW is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Wilburn, Daniel I in Knoxville, TN. 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 Wilburn, Daniel I on Mar 22, 2016. N4DIW has 4 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

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

Voice Phonetics

November Four Delta India Whiskey

Readability: 7/10(Good readability)

License History

License RenewedJan 21, 2026
License IssuedApr 9, 2016
Vanity Callsign GrantedApr 9, 2016
License ExpiredNov 30, 2000

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Wilburn, Daniel IFiled Mar 22, 2016
Not awardedFCC ↗

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FCC data as of Sep 3, 2026

N4DIW FCC Vanity Status: 1 Competing Application & History