WD7I
Active2x1District 7
Competitive callsign — 28 applications filed with the FCC.
License HolderHelman, David N
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationMADISON, WI
Grant DateSep 9, 2021
Expiration DateDec 6, 2031
WD7I is a highly sought-after 2x1 format amateur radio callsign. The license is currently held by Helman, David N in MADISON, WI. This callsign has attracted significant interest in the amateur radio community, with 28 vanity applications filed with the FCC. The most recent was submitted by Helman, David N on Nov 18, 2011. WD7I has 10 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- -.. --... ..
CW Weight: 23 units(Light (fast to send))
Voice Phonetics
Whiskey Delta Seven India
Readability: 7.5/10(High readability)
License History
- Administrative Update AppliedFeb 13, 2026
- License RenewedSep 9, 2021
- Administrative Update AppliedSep 28, 2017
- Administrative Update AppliedSep 13, 2017
- Administrative Update AppliedFeb 16, 2012
- Vanity Callsign GrantedDec 6, 2011
- License IssuedDec 6, 2011
- Internal Correction AppliedJan 28, 2011
- Internal Correction AppliedJan 28, 2011
- License IssuedAug 8, 2000
Vanity Application Activity
Competing applications filed with the FCC for this callsign.