WD4OIS
Active2x3District 4
No competing applications on record.
License HolderMILLER, HAROLD F
License ClassGeneral
Min. Class RequiredTechnician
LocationGRAPEVINE, TX
Grant DateJun 28, 2025
Expiration DateAug 31, 2033
WD4OIS is a 2x3 format amateur radio callsign. It is currently registered to MILLER, HAROLD F in GRAPEVINE, TX. There are currently no competing vanity applications or pending FCC filings on record for this callsign. Add it to your watchlist to receive an immediate alert if another operator files a vanity application.
CW & Voice Analysis
Morse Code
.-- -.. ....- --- .. ...
CW Weight: 33 units(Moderate)
Voice Phonetics
Whiskey Delta Four Oscar India Sierra
Readability: 6.5/10(Good readability)
License History
- Administrative Update AppliedJun 30, 2025
- License RenewedJun 28, 2025
- License RenewedJun 7, 2013
- License RenewedJun 4, 2003
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
No competing applications on record. Verify on the FCC ULS application search before filing.