W7OSC
Active1x3District 7
Competitive callsign — 2 applications filed with the FCC.
License HolderBIERBAUM, CHARLES A
License ClassGeneral
Min. Class RequiredGeneral
LocationLITTLETON, CO
Grant DateJan 17, 2018
Expiration DateJan 17, 2028
W7OSC is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by BIERBAUM, CHARLES A in LITTLETON, CO. 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 Brucker, Brendan C on Dec 28, 2017. W7OSC has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
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CW Weight: 36 units(Moderate)
Voice Phonetics
Whiskey Seven Oscar Sierra Charlie
Readability: 7/10(Good readability)
License History
- Administrative Update AppliedJan 29, 2020
- License IssuedJan 17, 2018
- Vanity Callsign GrantedJan 17, 2018
Vanity Application Activity
Competing applications filed with the FCC for this callsign.