N4IOO
Available1x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderROTHMAN, ROBERT A
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationBROOKLYN, NY
Grant DateJul 29, 1998
Expiration DateJul 29, 2008
Cancellation DateSep 10, 2002
Available for ApplicationsSep 11, 2004
N4IOO is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by ROTHMAN, ROBERT A in BROOKLYN, NY. 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 Cai, Baiyi on May 11, 2021. N4IOO has 1 recorded FCC license history event.
CW & Voice Analysis
Morse Code
-. ....- .. --- ---
CW Weight: 31 units(Moderate)
Voice Phonetics
November Four India Oscar Oscar
Readability: 7/10(Good readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (1x3).
License History
- License CanceledSep 10, 2002
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Cai, BaiyiFiled May 11, 2021Not awardedFCC ↗