AREDN
In very simple terms, the Amateur Radio Emergency Data Network (AREDN) is a very large, long range WiFi type network system, except it’s for licensed amateur radio operators and can operate on amateur radio frequencies.
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Mesh Network Basics
A wireless mesh network (WMN) is a communications network made up of radio nodes organized in a mesh topology. It is also a form of wireless ad hoc network. Wireless mesh networks often consist of mesh clients, mesh routers and gateways. The mesh clients are often laptops, cell phones and other wireless devices while the mesh routers forward traffic to and from the gateways which may, but need not, connect to the Internet. The coverage area of the radio nodes working as a single network is sometimes called a mesh cloud. Access to this mesh cloud is dependent on the radio nodes working in harmony with each other to create a radio network. A mesh network is reliable and offers redundancy. When one node can no longer operate, the rest of the nodes can still communicate with each other, directly or through one or more intermediate nodes. Wireless mesh networks can self form and self heal. Wireless mesh networks can be implemented with various wireless technology including 802.11, 802.15, 802.16, cellular technologies or combinations of more than one type. Who should I talk to about the AREDN network in the Moncton area?
Resources 
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Moncton MESH Network As of January 2016
Moncton City Hall MESH location
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