NB1O
Active2x1District 1
Competitive callsign — 2 applications filed with the FCC.
License HolderDUNHAM, JEFFREY S
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationMIDDLEBURY, VT
Grant DateApr 22, 2025
Expiration DateJun 19, 2035
NB1O is a highly sought-after 2x1 format amateur radio callsign. The license is currently held by DUNHAM, JEFFREY S in MIDDLEBURY, VT. 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 BLAZINA JR, WILLIAM M on May 17, 2001. NB1O has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-. -... .---- ---
CW Weight: 32 units(Moderate)
Voice Phonetics
November Bravo One Oscar
Readability: 8/10(High readability)
License History
- License RenewedApr 22, 2025
- License RenewedJun 5, 2015
- Tax ID (TIN) AddedMay 3, 2005
- License RenewedMay 3, 2005
Vanity Application Activity
Competing applications filed with the FCC for this callsign.