W4OIO
Cancelled1x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderVelasquez, Joseph B
License ClassGeneral
Min. Class RequiredGeneral
LocationLincoln, CA
Grant DateMar 12, 2024
Cancellation DateFeb 14, 2026
Available for ApplicationsFeb 15, 2028
W4OIO is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Velasquez, Joseph B in Lincoln, CA. 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 Velasquez, Joseph B on Feb 21, 2024. W4OIO has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
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CW Weight: 34 units(Moderate)
Voice Phonetics
Whiskey Four Oscar India Oscar
Readability: 7.5/10(High readability)
Available Feb 15, 2028 (529 days remaining)
Requires General license or higher to apply for this callsign format (1x3).
License History
- License CanceledFeb 14, 2026
- License IssuedMar 12, 2024
- Vanity Callsign GrantedMar 12, 2024
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Velasquez, Joseph BFiled Feb 21, 2024Not awardedFCC ↗