Confidence: Medium · Source: FCC ULS · As of 2026-09-09
KB4MRU
ActiveBAY AREA MOUNTAIN RESCUE UNIT
- Location
- STANFORD, CA
- Granted
- 2026-01-03
- Expires
- 2036-01-03
- Previous call
- KO6LPU
- FRN
- 0004438362
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Vanity availability
HeldCurrently held
KB4MRU 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
- KO6LPUcancelledBAY AREA MOUNTAIN RESCUE UNITCAgranted 2025-12-12cancelled 2026-01-03
License history
0 eventsNo recorded events.