Confidence: Medium · Source: FCC ULS · As of 2026-09-11
When does WH6DIO become available?
Currently associated with SANDWICH ISLANDS SHORTWAVE CLUB
Vanity availability
AvailableAvailable now
WH6DIO cleared its 2-year hold on 2010-09-30. Eligible for vanity application.
Last held by SANDWICH ISLANDS SHORTWAVE CLUB (HI).
Confidence: High
Cancelled licenses begin the 2-year hold immediately, so this date is the firm release date per §97.19. Already past — fileable subject to FCC verification.