ND3O
Active2x1District 3
Competitive callsign — 21 applications filed with the FCC.
License HolderBARBER, ANDREW J
License ClassP
Min. Class RequiredAmateur Extra
LocationChelmsford, MA
Grant DateFeb 28, 2026
Expiration DateApr 1, 2036
ND3O is a highly sought-after 2x1 format amateur radio callsign. The license is currently held by BARBER, ANDREW J in Chelmsford, MA. This callsign has attracted significant interest in the amateur radio community, with 21 vanity applications filed with the FCC. The most recent was submitted by Colon, Michael on Mar 18, 2016. ND3O has 8 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-. -.. ...-- ---
CW Weight: 27 units(Light (fast to send))
Voice Phonetics
November Delta Three Oscar
Readability: 8/10(High readability)
License History
- License RenewedFeb 28, 2026
- Administrative Update AppliedJun 7, 2016
- License IssuedApr 1, 2016
- Vanity Callsign GrantedApr 1, 2016
- License CanceledFeb 28, 2014
- License IssuedAug 6, 2013
- Vanity Callsign GrantedAug 6, 2013
- License ExpiredJun 13, 2008
Vanity Application Activity
Competing applications filed with the FCC for this callsign.