N4DOO
Available1x3District 4
Competitive callsign — 3 applications filed with the FCC.
License HolderWATKINS, ROBERT B
License ClassGeneral
Min. Class RequiredGeneral
LocationMarion, IA
Grant DateMar 12, 2005
Expiration DateApr 27, 2015
Cancellation DateApr 28, 2017
Available for ApplicationsApr 28, 2017
N4DOO is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by WATKINS, ROBERT B in Marion, IA. This callsign has attracted significant interest in the amateur radio community, with 3 vanity applications filed with the FCC. The most recent was submitted by YONG, WEI KIONG ANDREW on Mar 11, 2024. N4DOO has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-. ....- -.. --- ---
CW Weight: 34 units(Moderate)
Voice Phonetics
November Four Delta Oscar Oscar
Readability: 7.5/10(High readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (1x3).
License History
- License ExpiredApr 28, 2017
- FRN Association Letter SentMar 14, 2005
- License RenewedMar 12, 2005
Vanity Application Activity
Competing applications filed with the FCC for this callsign.