WH7USA
Active2x3District 7
Competitive callsign — 3 applications filed with the FCC.
License HolderImwalle, David
License ClassTechnician
Min. Class RequiredTechnician
LocationWaipahu, HI
Grant DateMar 21, 2025
Expiration DateMar 21, 2035
WH7USA is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Imwalle, David in Waipahu, HI. This callsign has attracted significant interest in the amateur radio community, with 3 vanity applications filed with the FCC. The most recent was submitted by Imwalle, David on Mar 3, 2025. WH7USA has 7 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- .... --... ..- ... .-
CW Weight: 32 units(Moderate)
Voice Phonetics
Whiskey Hotel Seven Uniform Sierra Alpha
Readability: 6/10(Good readability)
License History
- Vanity Callsign GrantedMar 21, 2025
- License IssuedMar 21, 2025
- License CanceledJul 19, 2019
- License RenewedFeb 24, 2012
- Administrative Update AppliedMar 8, 2006
- License IssuedJan 24, 2002
- Vanity Callsign GrantedJan 24, 2002
Vanity Application Activity
Competing applications filed with the FCC for this callsign.