N4DU
Active1x2District 4
Competitive callsign — 2 applications filed with the FCC.
License HolderDurham, Ronald D
License ClassTechnician
Min. Class RequiredAmateur Extra
LocationColorado Springs, CO
Grant DateApr 12, 2017
Expiration DateJul 9, 2027
N4DU is a highly sought-after 1x2 format amateur radio callsign. The license is currently held by Durham, Ronald D in Colorado Springs, CO. This callsign has attracted significant interest in the amateur radio community, with 2 vanity applications filed with the FCC. The most recent was submitted by RAVENEL JR, HENRY L on May 4, 2020. N4DU has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-. ....- -.. ..-
CW Weight: 21 units(Light (fast to send))
Voice Phonetics
November Four Delta Uniform
Readability: 7.5/10(High readability)
License History
- License RenewedApr 12, 2017
- License RenewedMay 25, 2007
- Tax ID (TIN) AddedMay 23, 2007
Vanity Application Activity
Competing applications filed with the FCC for this callsign.