W4ONI
Active1x3District 4
Competitive callsign — 12 applications filed with the FCC.
License HolderMahan 412, Harry E
License ClassGeneral
Min. Class RequiredGeneral
LocationRock Hill, SC
Grant DateMar 3, 2017
Expiration DateMar 3, 2027
W4ONI is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Mahan 412, Harry E in Rock Hill, SC. This callsign has attracted significant interest in the amateur radio community, with 12 vanity applications filed with the FCC. The most recent was submitted by Mahan 412, Harry E on Feb 13, 2017. W4ONI has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- ....- --- -. ..
CW Weight: 29 units(Light (fast to send))
Voice Phonetics
Whiskey Four Oscar November India
Readability: 7/10(Good readability)
License History
- Administrative Update AppliedAug 8, 2019
- License IssuedMar 3, 2017
- Vanity Callsign GrantedMar 3, 2017
Vanity Application Activity
Competing applications filed with the FCC for this callsign.