cactus intertie cactus...what is the aredn project? hsmm mesh • repurpose wisp routers –replaces...
TRANSCRIPT
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Cactus IntertieAnnual Meeting
Andre, Hansen, K6AH
Cactus Intertie Annual Meeting, 2019
Lake Havasu City, AZ
March 2, 2019
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What is the AREDN Project?
HSMM Mesh • Repurpose WISP routers – replaces OEM FW
• In the Ham Bands (.9, 2.4, 3.4, & 5.8 GHz)
• Part 97 Tech License
• Up to 144 Mbps IP Network (802.11n)
• Nodes are comprised of:• Linux computer w/Ethernet I/F
• Software Defined Radio (SDR)
• Amplifier
• Often includes an antenna
• $45-$90
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What is the AREDN Project?
Software • OpenSource development project
• Distributed under Free Software Foundation GNU GPL version 3
• Free to Hams (and anyone else for that matter)
• Focused on AuxComm/Emcomm
• Active user forum
• Agile, flexible dev model
• Nightly builds available
• Entirely a Ham volunteer effort
• Developers also implement
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Typical WiFi
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Repurposed Hardware
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Optimized Link State Routing
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Wide variety of devices for all topologies Ubiquiti
Device Support
Wide variety of devices for all topologies Mikrotik
NanoStation and Rocket look-alikesTP-Link
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99
Robust Specifications• Power Output: 23 – 28 dBm (200mW – 630mW)
• Antenna Gain: 11 – 30 dBi
• Some configurations capable of 50+ mile range
• Temperature: -40° to 176°F
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....
Ham Deployed to
Shelter
Fixed or Deployed
Relay Node
Fixed Backbone Node
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Design Considerations
Backbone
Elevation
High-gain/high power
Point-to-Point 3 GHz or 5 GHz
Distribution downward 2 and 5 GHz
Relay Nodes
High-gain upwards
Broad-coverage down
Cross-band 5 to 2 GHz
Strategically placed
Path prediction tools greatly simplify locating these
Deployed Nodes
Typically be Ham-owned
Inexpensive <$100
12v power
Augment go-kits
Typically 2 GHz (channel -2, 2397 MHz)
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Construction Considerations
Backbone
Mountains, water towers, buildings, towers
Dish 24-30 dBi
Rockets (MIMO)
Sector distribution downward
Relay Nodes
Hills, tall masts, buildings
RadioMobile to determine location
Up: NanoBeam, PowerBeam
Down: NanoStations
Deployed Nodes
NanoBeam
WIFI Access Point
10-20’ mast
Keep it simple
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Backbone Sites
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The SoCA AREDN Federation
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Using the Vertical Dimension
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Effective Use of High GroundMt. Palomar, 6200’ ASL to Mt. Otay at 49 miles
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2 GHz and 5 GHz DownlinksMt. Palomar at Ham’s Mountain Cabin
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Club Repeater Site Towers
Benefits
Cheap or free
Gets the club involved
No QRM from ISPs
Mt Otay – Doghouse Junction, CA
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Commercial Towers
Benefits
Generally well-placed
Often much taller
May be ham-owned
• Elsinore Peak – Cleveland NF, CA
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Self Contained Backbone Site Ventura County - Camarillo Hills, CA
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Relay Sites
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Relay Node “In the Wild”Unspecified location
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Small Footprints / Wide CoverageChatsworth Peak - Ventura County, CA
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Small Footprints / Wide CoverageSaddleback Peak - Mission Viejo, CA
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Water Tower Relay SiteSan Bernardino County - Redlands, CA
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Deployed Relay NodeTemporary Shelter Deployment
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Predicting Coverage RadioMobile
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Documentation
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Documentation
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Applications for AREDN
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How will you use AREDN ?
• Public Service / Public Safety
• Red Cross Disaster Services Technology
• Community Emergency Response Team
• Support MOUs with your municipal EOC
• Deliver paradigm changing services
• VoIP & Chat with other sites
• Cell Service Restoration – BYO
• Access to cloud-based systems
• Augment Winlink services
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Applications Running on AREDN Networks
AdministrativeAdvanced config
iperf Speed Test
Network monitoring (snmp)
UPS monitoring
NNTP Time services
Antenna pointing/peaking
User ApplicationsAir Traffic Control
EmComMap
CERT Damage Assessment
MeshChat
Weather Stations
Remote cameras
VoIP telephony (226 assigned numbers)
Winlink
DMR linking
Web-based Email
Mattermost
FTP / fileshare
Website with network/node info
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PBX Configuration for VoIP Phones
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MeshChat
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Node Management thru Smart Switches
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Network Management with SNMP
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Team Collaboration Systems
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EmComMap
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Tickets
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Allstar Management via Web GUI
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Allstar via Pi-Star Application
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Fileshare / FTP
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TeamTalk Video Conferencing / Fileshare
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Air Traffic ADS-B / SDR Dongle
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ARES Informational Site
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Node and Service Info
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For More Info
• WWW.AREDNmesh.ORG
• QST June and September 2017, ARRL
• TAPR/ARRL DCC Proceedings 2015 and 2016
• Search YouTube, HamRadio360, HamRadioNow, HamNation videos
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Contact Info
Andre Hansen, K6AH
www.arednmesh.org/forum