San Bruno Mountain (Building 4)

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San Bruno Mtn B4 AREDN nodes.jpeg

Site is located on San Bruno Mountain, next to Building 4. It has an open view of San Francisco to the north, and the East Bay to the east (map)(photos)

Photos are out of date after the re-install.

Nodes

KN6PLV-SANBRUNO4-SF-N

  • Radio: Ubiquiti Rocket 5AC Lite
  • Antenna: 120 degree sector
  • Frequency: 5.895 GHz
  • Channel: 179
  • Bandwidth: 10 MHz
  • Location: 37.68674, -122.43525 (approx)
  • Altitude: 387m
  • Bearing: 0° toward San Francisco

KN6PLV-SANBRUNO4-HAP

  • Radio: Mikrotik hAP AC2
  • Antenna: Built-in (provides onsite wifi access to mesh)
  • Location: Inside the HAM Shack
  • Altitude: 385m
  • Bearing: N/A

Backbone

IMG 5694.jpeg

Dish to Fish Ranch

  • Radio: airFiber 5XHD
  • Frequency: -
  • Bandwidth: 30 MHz
  • Antenna: Ubiquiti RD-5G23-S45 23 dBi
  • Location: 37.68894, -122.43665
  • Altitude: 400m
  • Bearing: 44° toward Oakland
SBM4toSanPedro.jpg

Dish to San Pedro

  • Radio: airFiber 5XHD
  • Frequency: -
  • Bandwidth: 40 MHz
  • Antenna: Ubiquiti RD-5G23-S45 23 dBi
  • Location: 37.68894, -122.43665
  • Altitude: 400m
  • Bearing: 270° toward Marin

Site Details

Future Plans

  • New site photos

Completed Work

June 2026

  • Site has been completely reinstalled, including both airFiber links and the SF sector. The dish to Fish Ranch was downgraded in size to reduce wind load. A single cable feeds the mounting pole where a switch connects all the devices. This simplified the reinstall process.

2024

  • The site went down in 2024 when the mounting hardware was ripped out of the ground by a storm.

December 2023

  • Install dish pointing toward San Pedro

August 2023

  • Provided 3 public backbone IPs to use with repeater.

July 2023

  • Two AREDN nodes, and a backbone link has been installed.. The AREDN sector points due north towards San Francisco. The Backbone line points across The Bay to Fish Ranch.

June 2023

  • With the mounting of the new pole at the site, we can move forward with an AREDN system.

Contacts

Site Admin

  • Dennis Lee - AH6KD
  • Mike Fusaro - mfusaroeng@gmail.com

Mesh Admin

  • Tim Wilkinson - KN6PLV - tim@sfwem.net
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