N4NJK
Active1x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderSimpson III, John C
License ClassGeneral
Min. Class RequiredGeneral
LocationOoltewah, TN
Grant DateFeb 4, 2025
Expiration DateFeb 6, 2035
N4NJK is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Simpson III, John C in Ooltewah, 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 Kanakos, Nico J on Jul 14, 2026. N4NJK has 7 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-. ....- -. .--- -.-
CW Weight: 32 units(Moderate)
Voice Phonetics
November Four November Juliet Kilo
Readability: 6.5/10(Good readability)
License History
- License RenewedFeb 4, 2025
- Administrative Update AppliedOct 18, 2016
- License RenewedNov 26, 2014
- Administrative Update AppliedJan 31, 2008
- License ModifiedMar 8, 2006
- Tax ID (TIN) AddedNov 10, 2004
- License RenewedNov 10, 2004
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Kanakos, Nico JFiled Jul 14, 2026Not awardedFCC ↗