Confidence: Medium · Source: FCC ULS · As of 2026-09-09
WB4OST
ActiveHPST Rapid Response Vehicle Club
- Location
- Newport News, VA
- Granted
- 2024-08-31
- Expires
- 2034-09-30
- Previous call
- KM4DZJ
- FRN
- 0023905441
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Vanity availability
HeldCurrently held
WB4OST is held by an active license; it isn't a vanity slot right now.
Vanity availability dates are computed from FCC §97.19's hold periods: 2 years from the cancellation date for cancelled or terminated licenses, 4 years from the expiration date for expired licenses (2-year renewal grace + 2-year hold).
Callsign genealogy
Full chain →Previously held by current licensee
- KM4DZJcancelledHPST Rapid Response Vehicle ClubVAgranted 2014-08-29cancelled 2014-09-30
License history
0 eventsNo recorded events.