NI3U
Available2x1District 3
Competitive callsign — 10 applications filed with the FCC.
License HolderMARTIN, EDDIE H
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationPORT MANSFIELD, TX
Grant DateOct 21, 2013
Expiration DateMar 5, 2024
Cancellation DateMay 7, 2026
Available for ApplicationsMar 6, 2026
NI3U is a highly sought-after 2x1 format amateur radio callsign. The license is currently held by MARTIN, EDDIE H in PORT MANSFIELD, TX. This callsign has attracted significant interest in the amateur radio community, with 10 vanity applications filed with the FCC. The most recent was submitted by PETERS, JOSHUA D on May 27, 2026. NI3U has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-. .. ...-- ..-
CW Weight: 20 units(Ultra-light (very fast to send))
Voice Phonetics
November India Three Uniform
Readability: 7/10(Good readability)
This callsign is available now
Requires Amateur Extra license or higher to apply for this callsign format (2x1).
License History
- License ExpiredMay 7, 2026
- License RenewedOct 21, 2013
- Administrative Update AppliedFeb 17, 2004
- License RenewedOct 22, 2003
Vanity Application Activity
Competing applications filed with the FCC for this callsign.