Black Mountain (Site 4)

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BlackMountainTower2.jpg

BAY-NET (WW6BAY)

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

BlackM AT 13.jpg

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°

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.

VLANs
VLAN Description
1 AREDN WAN
2 AREDN DtD
20 XLINK to San Bruno Mtn
100 airFiber Management
hAP ac2
Port Description VLANs Notes
1 WAN -
2 LAN
3 LAN
4 LAN
5 DtD 2
CRS112-8P-4S-IN
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