W3DIO
Active1x3District 3
Competitive callsign — 1 application filed with the FCC.
License HolderERICKSON, DAVID A
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationSellersburg, IN
Grant DateMay 28, 2025
Expiration DateMay 28, 2035
W3DIO is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by ERICKSON, DAVID A in Sellersburg, IN. 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 ERICKSON, DAVID A on Jul 21, 2004. W3DIO has 12 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- ...-- -.. .. ---
CW Weight: 32 units(Moderate)
Voice Phonetics
Whiskey Three Delta India Oscar
Readability: 7.5/10(High readability)
License History
- License RenewedMay 28, 2025
- Administrative Update AppliedApr 5, 2016
- License RenewedAug 5, 2014
- Administrative Update AppliedJan 14, 2014
- Administrative Update AppliedMar 27, 2013
- Administrative Update AppliedNov 29, 2011
- Administrative Update AppliedDec 13, 2007
- License ModifiedDec 11, 2007
- License ModifiedOct 18, 2004
- Vanity Callsign GrantedAug 10, 2004
- License IssuedAug 10, 2004
- License Expired
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- ERICKSON, DAVID AFiled Jul 21, 2004Not awardedFCC ↗