WB4SDH
Active2x3District 4
No competing applications on record.
License HolderNICHOLSON, ROBERT H
License ClassTechnician
Min. Class RequiredTechnician
LocationSPRING, TX
Grant DateAug 28, 2025
Expiration DateSep 6, 2035
WB4SDH is a 2x3 format amateur radio callsign. It is currently registered to NICHOLSON, ROBERT H in SPRING, 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: 32 units(Moderate)
Voice Phonetics
Whiskey Bravo Four Sierra Delta Hotel
Readability: 7/10(Good readability)
License History
- License RenewedAug 28, 2025
- License RenewedAug 6, 2015
- FRN Association Letter SentAug 19, 2005
- License RenewedAug 18, 2005
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.