N9OB
Active1x2District 9
Competitive callsign — 23 applications filed with the FCC.
License HolderHammarback, Bernt J
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationRiver Falls, WI
Grant DateDec 23, 2025
Expiration DateJan 10, 2036
N9OB is a highly sought-after 1x2 format amateur radio callsign. The license is currently held by Hammarback, Bernt J in River Falls, WI. This callsign has attracted significant interest in the amateur radio community, with 23 vanity applications filed with the FCC. The most recent was submitted by Hammarback, Bernt J on Oct 12, 2005. N9OB has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-. ----. --- -...
CW Weight: 32 units(Moderate)
Voice Phonetics
November Nine Oscar Bravo
Readability: 8/10(High readability)
License History
- License RenewedDec 23, 2025
- License RenewedOct 14, 2015
- Administrative Update AppliedSep 5, 2012
- License IssuedJan 10, 2006
- Vanity Callsign GrantedJan 10, 2006
Vanity Application Activity
Competing applications filed with the FCC for this callsign.