On Fri, May 7, 2021, 4:48 AM Nicolas George <geo...@nsup.org> wrote: > Hi. > > I recently heard about LoRa (https://en.wikipedia.org/wiki/LoRa), a kind > of very long distance low data bandwidth wifi / bluetooth.
Thanks Nicolas I had wondered if people were thinking along these lines. And it's already written :-) I still wonder if anyone uses the "lowfer" radio frequencies for the same, very low bandwidth :-) In the US some VLF frequency ranges are unregulated and available for experimental use. Another subgroup in the radio hobbyist spectrum. It is > designed for internet-of-things devices, but the bandwidth it offers is > enough to SSH and read the end of a log file and restart a daemon. Since > I have a few technically-minded friends and acquaintances living in the > same dense urban area, I am considering trying to use it to establish a > kind of private network for emergency access. > > I have found these articles, about a LoRa-based USB device and its use > to do just that kind of thing: > > https://unsigned.io/product/rnode/ > https://unsigned.io/15-kilometre-ssh-link-with-rnode/ > > (It seems to be out of stock, but the design is open.) > > I wonder if some people here have already had the same idea and explored > it further, especially with software readily available in Debian? > > Regards, > > -- > Nicolas George >
