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.