K0WRB
Active1x3District 0
Competitive callsign — 3 applications filed with the FCC.
License HolderBidermann, William R
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationSan Diego, CA
Grant DateJun 17, 2025
Expiration DateJun 17, 2035
K0WRB is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Bidermann, William R in San Diego, CA. This callsign has attracted significant interest in the amateur radio community, with 3 vanity applications filed with the FCC. The most recent was submitted by Bidermann, William R on May 29, 2025. K0WRB has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ----- .-- .-. -...
CW Weight: 40 units(Moderate)
Voice Phonetics
Kilo Zero Whiskey Romeo Bravo
Readability: 7/10(Good readability)
License History
- License IssuedJun 17, 2025
- Vanity Callsign GrantedJun 17, 2025
- License ExpiredJun 6, 2023
- License IssuedJun 3, 2011
- Vanity Callsign GrantedJun 3, 2011
Vanity Application Activity
Competing applications filed with the FCC for this callsign.