W0SI
Active1x2District 0
Competitive callsign — 6 applications filed with the FCC.
License HolderURMIE, MICHAEL A
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationYukon, OK
Grant DateFeb 18, 2026
Expiration DateMay 16, 2036
W0SI is a highly sought-after 1x2 format amateur radio callsign. The license is currently held by URMIE, MICHAEL A in Yukon, OK. This callsign has attracted significant interest in the amateur radio community, with 6 vanity applications filed with the FCC. The most recent was submitted by PETERSEN, PHILIP C on Jun 12, 2000. W0SI has 7 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- ----- ... ..
CW Weight: 27 units(Light (fast to send))
Voice Phonetics
Whiskey Zero Sierra India
Readability: 7/10(Good readability)
License History
- License RenewedFeb 18, 2026
- Administrative Update AppliedSep 21, 2019
- Administrative Update AppliedApr 7, 2016
- License RenewedFeb 26, 2016
- License RenewedApr 25, 2006
- Administrative Update AppliedDec 30, 2004
- FRN Association Letter SentDec 30, 2004
Vanity Application Activity
Competing applications filed with the FCC for this callsign.