W1NDI
Active1x3District 1
Competitive callsign — 2 applications filed with the FCC.
License HolderKALKOFEN, JAMES G
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationCHESTERFIELD, MO
Grant DateJun 14, 2025
Expiration DateJul 24, 2035
W1NDI is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by KALKOFEN, JAMES G in CHESTERFIELD, MO. 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 KALKOFEN, JAMES G on Jul 6, 2015. W1NDI has 6 recorded FCC license history events.
CW & Voice Analysis
Morse Code
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CW Weight: 31 units(Moderate)
Voice Phonetics
Whiskey One November Delta India
Readability: 7/10(Good readability)
License History
- License RenewedJun 14, 2025
- License ModifiedJun 8, 2020
- License ModifiedJun 12, 2019
- Administrative Update AppliedMay 18, 2017
- License IssuedJul 24, 2015
- Vanity Callsign GrantedJul 24, 2015
Vanity Application Activity
Competing applications filed with the FCC for this callsign.