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Distributed Search & Discovery - Milestone 1
With the support of the NLnet Foundation, we have been looking at extending the Serval Mesh to support search and service discovery functionality on isolated mesh networks, i.e., without relying on...
View ArticleSuccinct Data in the Pacific for COVID19 Symptom Monitoring
Over the past year or so, we have been talking with some of our partners in the Pacific about helping Pacific Island Nations to improve their capacity to respond to the COVID19 pandemic -- but also to...
View Article900MHz 802.11ah WiFi modules
Hmmm... So it looks like there are the first 900MHz wifi modules, which claim 1 - 1.5km range outdoors, with data rates of megabits to tens of megabits in many circumstances. The module I have found...
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Chasing down the last LBARD HF TX queue bugs and Initial Performance Graphs
To recap, in the last blog post I found and fixed a lot of bugs in LBARD over HF data modem operation. This has taken much longer than hoped, in part due to the 4 to 5 hours it takes to do a complete...
View ArticleContinuing working on the LBARD HF protocol efficiency problems
Ok, back from the last post where I was thinking about some longer-term future approaches, to trying to get the current code working as well as it can.The problem I am seeing at the moment, is that the...
View ArticleThinking about different ways to do the tree-sync for LBARD
In the last few blog posts I've been fighting my way through fixing bugs with LBARD's synchronisation algorithms. While both the tree-sync and the actual transfer of bundles have been problematic, the...
View ArticleMore work on LBARD over Codan HF Data Modem
In the last post, we got to the point where we had Rhizome bundles flowing over the modem, but not as fast as we would like. Also, we were still seeing some problems where bundle sending would get...
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LBARD over Codan HF modem and debugging LBARD sync problems
This week I am finally getting to working on the remaining work for supporting the Codan 3012 HF data modem in LBARD. This was started a long time ago, but has stalled at various points along the way....
View ArticleIt's 2020 and Australia is burning
It almost doesn't need saying, but Australia is burning. Lives have been lost. Houses destroyed. Livestock, farms and livelihood all gone up in smoke, quite literally. I can't even imagine the pain...
View ArticleServal Chat iOS Port finally emerges from the lab
Goodness me, this is probably the single piece of the Serval Project that has taken the longest compared to what was expected. We have had a number of misadventures along the way with false starts to...
View ArticleSlashing the cost of tsunami (and bushfire) early warning systems
We have just about finished off a project that we have had funded by the Humanitarian Innovation Fund (HIF), which is funded by the UK's foreign aid program. This has been a bit of a complementary...
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Building an indoor test network and testing LBARD bug fixes
After the successful bug hunting last week, this week I have turned my attention to setting up to easily verify whether the bugs have been fixed. This means setting up a multi-hop Mesh Extender network...
View ArticleFixing bugs and structure of LBARD
During our trips to Vanuatu last year we identified a number of bugs with LBARD, which have been sitting on the queue to be fixed for a while. At the same time, we have had a couple of folks who have...
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Early access to Serval Mesh Extender hardware
A quick post in response to a few enquiries we have had recently, where folks have been asking about getting their hands on some prototype Serval Mesh Extender devices.So far, we have only produced 50...
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Getting back up to speed for 2018
It's a been a while since the last post, in part due to summer holidays here in Australia, and in part due to various other things taking my time and energy. But, we are now ramping back up for 2018....
View ArticleAndroid has been a bit naughty with its location tracking
I was pointed to this article today:https://qz.com/1131515/google-collects-android-users-locations-even-when-location-services-are-disabled/Basically it points out that Android has been tracking...
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Setting up Mesh Extender capability within NZ Red Cross
I am briefly in Wellington, NZ, visiting NZ Red Cross on my way to the Global Humanitarian Technology Conference where we have a bunch of papers to present at the end of the week.One purpose of the...
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Pandanus cable ties and a Mesh Extender tree
We are now in the process of installing Mesh Extenders into Epau, the second of the two villages we are targeting here on the island of Efaté in Vanuatu. As with Pang Pang, the community have been...
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Third Visit to Vanuatu
The past month has been flat out, and I have spent more of it in Vanuatu than at home in Australia. I am now back in Vanuatu on our fourth visit, and figured I really had better write about our third...
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Second visit to Vanuatu
We are getting to the end of our third trip to Vanuatu, so I figured I really ought to post about our second visit.This visit was shorter than the first, as it was primarily focused around the UN World...
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