W4ZDI
Active1x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderO HARROW, JOHN H
License ClassTechnician
Min. Class RequiredGeneral
LocationLAKE OSWEGO, OR
Grant DateFeb 28, 2019
Expiration DateApr 10, 2029
W4ZDI is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by O HARROW, JOHN H in LAKE OSWEGO, OR. 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 Day, Pierce B on Mar 23, 2009. W4ZDI has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- ....- --.. -.. ..
CW Weight: 29 units(Light (fast to send))
Voice Phonetics
Whiskey Four Zulu Delta India
Readability: 7.5/10(High readability)
License History
- License RenewedFeb 28, 2019
- License IssuedApr 10, 2009
- Vanity Callsign GrantedApr 10, 2009
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Day, Pierce BFiled Mar 23, 2009Not awardedFCC ↗