K0NBC
Active1x3District 0
Competitive callsign — 4 applications filed with the FCC.
License HolderKlosterman, John L
License ClassTechnician
Min. Class RequiredGeneral
LocationBrandon, WI
Grant DateJan 3, 2026
Expiration DateJan 3, 2036
K0NBC is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Klosterman, John L in Brandon, WI. This callsign has attracted significant interest in the amateur radio community, with 4 vanity applications filed with the FCC. The most recent was submitted by Shannon, Mark W on Dec 16, 2025. K0NBC has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ----- -. -... -.-.
CW Weight: 40 units(Moderate)
Voice Phonetics
Kilo Zero November Bravo Charlie
Readability: 7/10(Good readability)
License History
- License IssuedJan 3, 2026
- Vanity Callsign GrantedJan 3, 2026
- License ExpiredFeb 26, 2022
- License RenewedDec 22, 2009
- License IssuedFeb 25, 2000
Vanity Application Activity
Competing applications filed with the FCC for this callsign.