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Limit MCS on radio

published by WA3LAB on Sat, 11/20/2021 - 14:13
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I am referencing a past post:
Manual MCS control? | Amateur Radio Emergency Data Network (arednmesh.org)

   Does anyone know if the suggestion to add a addition as follows will still work?  I have been spending considerable time trying to understand why some of our nodes(ALL RF)  are having some throughput issues.  RF nodes shooting through some trees  are subjected to varying signals and it would be interesting to see if limiting the speed to create a more reliable, but slower connection. 

Lhgxl vs ldf with .7 meter dish

published by KV3T on Fri, 11/19/2021 - 21:55
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Hi all. I have a lhgxl 5g and a ldf with a 1 meter dish. After... Looking at it for a minute, there is simply no way to safely secure this dish at a location where it can see the node I'm trying to hit. I put up the lhgxl, but it really needs a bit more gain. In my brain bigger dish equals more gain, but on paper it seems that might not be the case with the ldf: Lhgxl 5g says 28dBm and 27dBi of gain. The ldf says 25dBm and with a 1 meter dish it can achieve up to 33dBi of gain. So with a .7 meter dish, it doesn't seem like I would see a substantial improvement. Am I missing something?

Background noise of MikroTik LDF 2

published by AC2OG on Sat, 11/20/2021 - 03:38
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Hello,
a recently flashed MikroTik LDF 2, mounted on a 35 cm offset dish, shows the following parameters:  Signal/Noise/Ratio
-80 / -88 / 8 dB 
 Why that bad background noise and how to improve it, if possible?
Thanks for any help

NanoStation M2 XM - can only run 3.19.3.0 or older; pukes on latest or nightly builds

published by K6LOR on Mon, 11/29/2021 - 11:46
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Cross posted to the FB group - 

NanoStation M2 XM - Using TFTP method, after downgrade to AirOS 5.5.x, can load up AREDN up to 3.19.3.0 (started with 3.15.1.0 factory), however, moving to the current 3.21.4.0 or the nightly builds hoses the radio.

Will flash LED #4 (green) the typical 30 or so seconds, but then does dark. Only power LED lights up.

Recover back to 3.19.3.0 and it behaves correctly with the Ethernet light and LED #4 solid upon boot.

Will also crash on the Apply button in the Setup web GUI - cgi-bin error.

NanoBridge m5 not working

published by LA9UI on Mon, 06/24/2019 - 04:38
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Nodes
Hi!

I have one NanoBridge M5 that is not working. AirOs 6.1.4 (XM) . I tried to load AREDN firmware, but it seems that I have done something wrong. I cannot connect it; cannot find an IP-address. Is it possible to rescue the machine ??

I have 3 NanoBridges that is converted OK, but they had  AirOS 5.xx

Ubiquiti Product Comparison

published by w6bi on Fri, 12/03/2021 - 17:40
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Nodes

The first two 802.11ac-capable devices being targeted for support by AREDN are the Nanostation 5ac and the Ubiquiti Nanobeam 5ac Gen2.  Here's a comparison to their most equivalent currently supported models:

Nanostation M5 - Two 10/100 Mbit/second interfaces, 64 MB DDR2 RAM, 560 MHz CPU (XW hardware; old XM was 390 MHz), 45 degree beamwidth (both vertical and horizontal polarization), 14-16 dBi gain, 8 watts power consumption, 24V POE.  Current price (when you can find them): $85

hAP Lite doesn't like a Win10 box

published by AH6LE on Thu, 12/02/2021 - 19:35
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Nodes

So I have an HP mini computer, running Win10 that my hAP absolutely refuses to assign an IP to it. The same computer will easily be assigned an IP by my internet router so I have to assume the DHCP client is working properly.
This is via a hardwired LAN connection and the hAP is set for 13 host direct so I know there are plenty of IPs in the pool available (only 5 are currently assigned).

I snooped around with SSH and couldn't find any relevant logs in /var/logs
 

Cisco Aironet RM 1252

published by kg7kmv on Thu, 12/09/2021 - 15:36
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Nodes
Hello, I'm working with a small group of hams in the Boise, Idaho area on setting up some AREDN nodes. We have a few online but nothing much elevated yet, planning next summer when the mountains unfreeze! I'm not a developer or anything, but I inherited some commercial wifi gear and my searching has not yield anything on trying to get AREDN on this.
I have two units of Cisco Aironet RM1252G-A-K9 and AIR-RM1252A-A-K9 (2.4GHz and 5.8GHz modules). I'm not very hopeful, but will these work with AREDN?

Rocket M5 TI

published by w6bi on Sun, 12/12/2021 - 00:11
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Anyone have any experience with these weird boxes?   I'm trying to load one via tftp, and it's not clear which package is needed.    The Model Number is M5T, and it has an SMA connector for a GPS antenna

I've tried these images, with these results:

aredn-702-20d73ea-ath79-generic-ubnt_rocket-m-squashfs-factory.bin  -- NO  - Firmware Check failed
aredn-702-20d73ea-ar71xx-generic-ubnt-rocket-m-ti-squashfs-factory.bin  -- NO  -Firmware Check failed

Mikrotik.com/product/mantbox_52_15s

published by w8erw on Thu, 12/23/2021 - 11:15
Forums: 
Nodes
Mikrotik has a new mANTBOX, dual band, Sectorized 90 and 60 deg, 256 MB of RAM.Any thoughts here on the possibility of
this device being AREDN suitable?


https://mikrotik.com/product/mantbox_52_15s

Jim
W8ERW
 

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