W1UIO
Available1x3District 1
Competitive callsign — 2 applications filed with the FCC.
License HolderRIVIELLO, JOHN M
License ClassTechnician
Min. Class RequiredGeneral
LocationSANTA CRUZ, CA
Grant DateNov 10, 2009
Expiration DateNov 18, 2019
Cancellation DateNov 19, 2021
Available for ApplicationsNov 19, 2021
W1UIO is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by RIVIELLO, JOHN M in SANTA CRUZ, CA. 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 HILL, SCOTT D on Oct 21, 1999. W1UIO has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- .---- ..- .. ---
CW Weight: 36 units(Moderate)
Voice Phonetics
Whiskey One Uniform India Oscar
Readability: 7/10(Good readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (1x3).
License History
- License ExpiredNov 19, 2021
- License RenewedNov 10, 2009
- License ModifiedJun 3, 2000
- License IssuedNov 18, 1999
Vanity Application Activity
Competing applications filed with the FCC for this callsign.