W9OSI
Active1x3District 9
Competitive callsign — 4 applications filed with the FCC.
License HolderMATUSKA, DIRK A
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationSHIPMAN, IL
Grant DateDec 5, 2017
Expiration DateFeb 5, 2028
W9OSI is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by MATUSKA, DIRK A in SHIPMAN, IL. 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 Flinders, Ronald G on Oct 15, 2019. W9OSI has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
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CW Weight: 34 units(Moderate)
Voice Phonetics
Whiskey Nine Oscar Sierra India
Readability: 7/10(Good readability)
License History
- License RenewedDec 5, 2017
- License ModifiedApr 3, 2009
- License IssuedFeb 5, 2008
- Vanity Callsign GrantedFeb 5, 2008
Vanity Application Activity
Competing applications filed with the FCC for this callsign.