WI5DUO
Active2x3District 5
Competitive callsign — 1 application filed with the FCC.
License HolderLisoski, Derek L
License ClassTechnician
Min. Class RequiredTechnician
LocationClark Fork, ID
Grant DateMar 4, 2020
Expiration DateApr 17, 2030
WI5DUO is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Lisoski, Derek L in Clark Fork, ID. This callsign has attracted significant interest in the amateur radio community, with 1 vanity application filed with the FCC. The most recent was submitted by Lisoski, Derek L on Mar 30, 2010. WI5DUO has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- .. ..... -.. ..- ---
CW Weight: 33 units(Moderate)
Voice Phonetics
Whiskey India Five Delta Uniform Oscar
Readability: 6.5/10(Good readability)
License History
- Administrative Update AppliedDec 9, 2025
- License RenewedMar 4, 2020
- License IssuedApr 17, 2010
- Vanity Callsign GrantedApr 17, 2010
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Lisoski, Derek LFiled Mar 30, 2010Not awardedFCC ↗