WB6O
Active2x1District 6
Competitive callsign — 5 applications filed with the FCC.
License HolderMastandrea, Christopher A
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationMerced, CA
Grant DateJun 30, 2026
Expiration DateJun 30, 2036
WB6O is a highly sought-after 2x1 format amateur radio callsign. The license is currently held by Mastandrea, Christopher A in Merced, CA. This callsign has attracted significant interest in the amateur radio community, with 5 vanity applications filed with the FCC. The most recent was submitted by Mastandrea, Christopher A on Jun 10, 2026. WB6O has 7 recorded FCC license history events.
CW & Voice Analysis
Morse Code
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CW Weight: 29 units(Light (fast to send))
Voice Phonetics
Whiskey Bravo Six Oscar
Readability: 8.5/10(High readability)
License History
- Vanity Callsign GrantedJun 30, 2026
- License IssuedJun 30, 2026
- License ExpiredMay 12, 2026
- License RenewedFeb 12, 2014
- License RenewedFeb 23, 2004
- Tax ID (TIN) AddedApr 11, 2003
- Administrative Update AppliedApr 11, 2003
Vanity Application Activity
Competing applications filed with the FCC for this callsign.