Black Mountain (Site 4)
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Black Mountain (Site 4) is one of 5 sites located off the Black Mountain Trail near the Rancho San Antonio Open Space Preserve in the Los Altos Hills (map)(photos).
Nodes
N9JIM-BlackMtn-r5ac-90sect-68
- Radio: Ubiquiti Rocket 5AC Lite
- Antenna: 90° sector
- Frequency: 5895 MHz
- Channel: 179
- Bandwidth: 10 MHz
- Location: 37.3201632, -122.1437596
- Altitude: 850m
- Bearing: 68° Elevation: -2° electrical deg (0° physical)
N9JIM-HAPAC2-1
- Radio: MikroTik hAP ac2
- Antenna: Built-in
- Frequency: -
- Bandwidth: -
- Location: 37.3201632, -122.1437596
- Altitude: N/A
- Bearing: N/A
Backbone
BlackMountain-to-SBM7
- Radio: Ubiquiti airFiber 5XHD
- Frequency: -
- Bandwidth: 20MHz
- Antenna: 23 dBi dish
- Location: 37.3201632, -122.1437596
- Altitude: 826m
- Bearing: 328°
Other Links
There is a 60 GHz connection (via GigaBeam Plus) to Site 5.
Site Details
Configuration
Black Mountain hosts a Mikrotik hAP ac2, an airFiber 5XHD, and a Rocket 5AC Lite with a 90° sector antenna. WAN access to the hAP is on 44net, provded by a non-AREDN switch managed by KI6ZHD.
AREDN devices are powered via a Mikrotik CRS112-8P-4S-IN PoE switch.
| VLAN | Description |
|---|---|
| 1 | AREDN WAN |
| 2 | AREDN DtD |
| 20 | XLINK to San Bruno Mtn |
| 100 | airFiber Management |
| Port | Description | VLANs | Notes |
|---|---|---|---|
| 1 | WAN | - | |
| 2 | LAN | ||
| 3 | LAN | ||
| 4 | DtD | ||
| 5 | DtD | 2 |
| Port | Description | VLANs | PoE | Notes |
|---|---|---|---|---|
| 1 | ||||
| 2 | ||||
| 3 | ||||
| 4 | ||||
| 5 | ||||
| 6 | ||||
| 7 | ||||
| 8 | ||||
| 9 | - | SFP | ||
| 10 | - | SFP | ||
| 11 | - | SFP | ||
| 12 | - | SFP |
Future Plans
- Install larger dish on airFiber
Completed Work
July 2023
- Installed a 90° sector + Rocket 5AC Lite
- Installed airFiber 5XHD + 23 dBi antenna connecting to San Bruno Mtn (Building 7)
- Installed Mikrotik CRS112-8P-4S-IN PoE router
- Installed GigaBeam Plus connecting to Black Mountain (Site 5)
- Installed hAP ac2
- Removed Rocket M5 XW + 120° sector
- Removed Power Beam M5 XW 300
- Removed hAP ac lite
Commercial Neighbors
Etheric Networks
The local WISP in this area is Etheric. They license (WQMK876) spectrum in the 6.2 GHz, 10.5 GHz and 19.5 GHz regions.
Contacts
Site Admin
- David Ranch - KI6ZHD
Mesh Admin
- Jim Moss - N9JIM - n9jim@pacbell.net