KO4TCB
Active2x3District 4
Competitive callsign — 2 applications filed with the FCC.
License HolderSterling, Michael L
License ClassTechnician
Min. Class RequiredTechnician
LocationSan Anselmo, CA
Grant DateAug 29, 2020
Expiration DateAug 29, 2030
KO4TCB is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Sterling, Michael L in San Anselmo, CA. 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 BIRD, DAVID B on Jun 9, 2021. KO4TCB has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- --- ....- - -.-. -...
CW Weight: 40 units(Moderate)
Voice Phonetics
Kilo Oscar Four Tango Charlie Bravo
Readability: 7.5/10(High readability)
License History
- Administrative Update AppliedFeb 5, 2025
- License IssuedAug 29, 2020
- Vanity Callsign GrantedAug 29, 2020
Vanity Application Activity
Competing applications filed with the FCC for this callsign.