| Callsign | KB4MRU |
| Radio Service | HV - Vanity |
| License Status | A - Active |
| Grant Date | 2026-01-03 |
| Effective Date | 2026-01-03 |
| Expire Date | 2036-01-03 |
| Cancel Date | |
| Last Action Date | 2026-01-03 |
| End Date | 2036-01-03 |
| Available Date | 2038-01-04 |
| Applicant Type | B - Amateur Club |
| Entity Name | BAY AREA MOUNTAIN RESCUE UNIT |
| Street Address / Locality | PO Box 19184 STANFORD, CA 94309 |
| County | Santa Clara |
| Zip Location | 37°26'30.8"N 122°08'34.8"W |
| Maidenhead | CM87wk |
| FRN | 0004438362 |
| Licensee ID/SGIN | L00041878 / 000 |
| Licensee Class | |
| Callsign Group | D - 2x3 |
| ULS/Geo Region | 4 / 6 / CA |
| Prev Callsign / Prev Class | KO6LPU |
| Next Callsign | |
| Trustee Callsign / Trustee Name | KK6UOX Chinn, Randall W |
| Vanity Type | C - Former Holder (Club) |
| ULS File Number | |
| Phonetic weight / Morse weight | 13 / 68 |