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Alerts

AREDN highly recommends upgrading to AREDN security release v3.21.4.0
For more information see the Latest Docs page

News


Ham Radio Now on FCC Reallocation of 3/5 GHz

David Goldenberg W0DHG interviews Andre Hansen K6AH, David Erickson KB5UGF and Jim Aspinwall NO1PC to discuss the spectrum defense and proposed changes to the 3GHz and 5GHz bands. These changes will affect current AREDN networks across the nation.
Please remember before you respond to the FCC, make sure you write professionally and to the point. And please reach out to your served agencies and representatives.

Ham Radio Now episode 415
Call to Action
AREDN Comment Template
AREDN High-Speed Data Network Article
MJARS FCC Reallocation Documents
 

Updated date: Monday, January 6, 2020 - 10:28


ARRL Call to Action in Defense of Part 97 Allocations in the 3 and 5 GHz Bands

The FCC WT Docket 19-348 and WT Docket 19-138 will severely curtail growth of one of the newest and most effective means for Amateurs to support emergency communications.  Existing installations will be severely curtailed or, with no reasonable alternatives, be forced to cease operations.  Thousands of hams have built or are in the process of constructing high-speed data networks in the 3 & 5 GHz ham microwave allocations.

Background

AREDN (Amateur Radio Emergency Data Network) was an outgrowth of the ARRL working group on High-Speed Multimedia (HSMM).  It has evolved over the past 10-12 years from its first implementation by Broadband Hamnet (BBHN).  Over the years the AREDN Project has developed software support for nearly 70 commercial wireless routers---moving them from their Part 15 allocation into adjacent Part 97 allocations in the .9, 2, 3, and 5 GHz bands---providing an inexpensive and easy way for hams to implement high-speed (up to 144 Mbps) data networks in support of Emergency Operations Centers (EOCs), Non-governmental Agencies (NGOs) and first responders.  The project has twice been recognized by the league for the significance of its achievements by awarding the Project the ARRL Microwave Development Award in 2014 and 2018.
...

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Updated date: Monday, December 9, 2019 - 16:27

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Announcements


Auxcomm Symposium in Southern New Jersey


On Saturday, February 16, 2019 the Medical Coordination Center (MCC) at Cooper University Hospital in Camden, NJ will be hosting an ARES/RACES/AUXCOMM Symposium for hams in the Southern New Jersey and the Eastern Pennsylvania areas. The MCC is beginning to use AREDN and would like to see the technology adopted more fully in their area. The event runs from 9:00 am to 3:00 pm. Presentations in the morning will be given by:

  • Bob Bruninga WB4APR - APRS
  • Joe Everhart N2CX - NVIS HF Field Antennas
  • Cory Sickles WA3UVV - Yaesu System Fusion
  • Randy Smith WU2S - AREDN high-speed multimedia mesh networking

The afternoon will consist of breakout sessions and demonstrations.  
 
Register at EventBrite to attend the Amateur Radio in Public Health & Medical Services (ESF #8) ...

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AREDN at Frostfest 2019

AREDN mesh networkers will be at the Frostfest 2019 in Richmond, VA on Saturday, February 2, 2019. The location is the Richmond Raceway Complex, 600 East Laburnum Avenue, Richmond, VA 23222-2253. This event is the ARRL Roanoke Division Convention, so there will be many League officials on site.

A group led by Damon Schaefer K9CQB will be on hand to demonstrate equipment and answer your questions. Just look for the large AREDN banner at their table. His team plans to populate the booth with several masts bristling with equipment and 2 large monitors, one running an AREDN slideshow and one with a local mesh network for live demonstrations. 

Stop by and say hello!


Standardized NanoStation XM Ethernet port configuration


The NanoStation XM devices now have fully functional ports - both main and secondary.   This capability will be in Dec 3, 2018 nightly build.   The behavior is now same as NanoStation XW devices.   POE Passthough is also functional.   

This new capability means the following usage is significantly simplified to setup.   At local community events when setting up ipCams around a parade route or event area, there can be a station with 2 nodes -- incoming link on one channel/band and outgoing link on another channel/band.  This means many HD video quality signals can go through the station as this relay station does not share the same frequency.

Before:   

2 mesh nodes, 1 ipCam, 1 5-port switch, 4 way power split to all devices, junction box.   Lots of labor and points of failure to build and configure the enclosure and cabling.

After:

2 mesh nodes, 1 ipCam, daisy chain the cat5 cables though these devices, no enclosure.   


Issues to consider when deploying:


1) I've seen a NSM2 XM device...

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AREDN Documentation Repository

Thanks to a great suggestion and some content from Steve KC0EUW, we now have an AREDN document repository on GitHub.

If you just want to read what is in the library, you can view the docs on ReadTheDocs.io at https://arednmesh.readthedocs.io/en/latest.
You can also find this documentation by clicking on the Docs menu item on the front page and making your choice from the dropdown list. 
We added a new Network Design Guide to help you in planning your local AREDN mesh network.

If you are interested in contributing to the rapidly growing set of AREDN related information, you can easily do so on GitHub. This works the same way as if you were contributing code to the project.
There are detailed instructions on how you can contribute to AREDN documentation in the README.md file 

Summary Instructions:
After...

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Installing AREDN on Mikrotik using Windows


The new Mikrotik devices supported by AREDN are great, but the installation procedure for loading AREDN firmware on them using a Linux computer has been intimidating to many in our community.

There is no reason to fear any longer.

Ray KK6RAY (formerly KM6WUH) devised a procedure to install AREDN firmware on Mikrotik using a Windows computer. The widespread familiarity with Windows and fewer steps in Ray's procedure should greatly reduce any anxiety you may have about trying a Mikrotik unit.

Ray produced a 20-minute video to demonstrate the installation procedure. The video is on YouTube here.
In addition to a Windows computer, an AREDN-supported Mikrotik device (see Supported Platform Matrix), and an Ethernet cable, you will need:

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hAP ac lite 5GHz LAN Access Point


Joe AE6XE reports that the  Nightly Build available on Nov 28, 2018 will now include capability to use both wireless cards in the hAP ac lite device.  The 2GHz is the Mesh RF and now the 5GHz is a standard part 15 Access Point bridged with the LAN network.   This means that LAN mesh devices can be both on wifi and physically on the Ethernet port, both allocated the IP addresses assigned for the LAN network.   

For now, the 5GHz channels overlapping Doppler Radar are not selectable -- the "DFS" channels.   This will be an add on later to integrate in these channels. 

The code changes that make this possible, also make the following capability readily doable and are in the pipeline for the nightly build:

1) Activating the Nanostation XM devices' secondary Ethernet port to be standard AREDN functionality (and daisy chain devices with poe passthough).
2) Ability to enable/disable the following for single wireless card devices -- only one active on the wireless at a time or both disabled:
     a) mesh RF as we know today
     b) LAN Access Point for...
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