I'll have to show this to my fellow drunkards, I might have to rekindle this idea. On Apr 27, 2015 12:51 PM, "MikeS" <dm...@torfree.net> wrote:
> Mesh Networks are how folks are setting up private wireless LANs using > WiFi; don't know how relevant it'd be to a Zigbee network, but it might > give you some ideas: > http://en.wikipedia.org/wiki/Wireless_mesh_network > > m > > ----- Original Message ----- > *From:* Andrew Roach <ajroac...@gmail.com> > *To:* Model 100 Discussion <m100@lists.bitchin100.com> > *Sent:* Monday, April 27, 2015 1:32 PM > *Subject:* Re: [M100] Xbee and m100 > > I know what you mean there! > > Maybe one of the radio guys will chime in. > > On Mon, Apr 27, 2015 at 1:28 PM Shaun M. Wheeler <cj.speake...@gmail.com> > wrote: > >> Nothing more than a couple of (somewhat legible) diagrams. We drew up a >> convoluted system that relied on an antenna rotator, directional antenna, >> GPS, and a bunch of cron jobs in Linux. >> >> I might add, none of us really know what we're doing, radio-wise, we were >> going to learn on-the-fly ;) >> >> Can't remember what the GPS was for, though. Probably made sense after a >> few beers... >> On Apr 27, 2015 12:20 PM, "Andrew Roach" <ajroac...@gmail.com> wrote: >> >>> See, I knew I couldn't be the only person who started scheming like that >>> when I found out the theoretical range on these modules. >>> >>> Did you ever get any further than considering/discussing? >>> >>> On Mon, Apr 27, 2015 at 1:19 PM Shaun M. Wheeler <cj.speake...@gmail.com> >>> wrote: >>> >>>> We also considered an XBee uucp network as well, which could have been >>>> implemented natively on a number of machines of vintage, although I'm not >>>> aware of any such thing for the Model T. >>>> On Apr 27, 2015 12:11 PM, "Andrew Roach" <ajroac...@gmail.com> wrote: >>>> >>>>> That was immediately my other thought. A fido style Xbee/raspi BBS >>>>> network. >>>>> >>>>> I know some kids at the local college who'd help me put it together, >>>>> if I could prove it was viable from a transmission power perspective. >>>>> >>>>> On Mon, Apr 27, 2015 at 1:10 PM Andrew Roach <ajroac...@gmail.com> >>>>> wrote: >>>>> >>>>>> Yeah, I was expecting that the whip would give me a significantly >>>>>> reduced range. >>>>>> >>>>>> I'm going to order some and experiment. It'd be really neat to hack a >>>>>> system like this together. 5 miles is my target (which would be 1/8 of >>>>>> the >>>>>> max point-to-point range. >>>>>> >>>>>> My concern is that I might be able to get 5 miles omni-LOS, but that >>>>>> without a clear line of sight I'd be down to half a mile or so. >>>>>> >>>>>> On Mon, Apr 27, 2015 at 12:54 PM MikeS <dm...@torfree.net> wrote: >>>>>> >>>>>>> The challenge in your project would probably be the antenna; it's >>>>>>> largely the 'directional' aspect of the antenna that gives you the >>>>>>> point-to-point distance and an omnidirectional whip would give you a >>>>>>> drastically shorter range. >>>>>>> >>>>>>> Antenna height and any obstacles in the path are also major factors >>>>>>> affecting distance. >>>>>>> >>>>>>> There's a pretty active long distance WiFi community out there; >>>>>>> here's a pair of Linksys WRT54Gs communicating over 300+ km: >>>>>>> >>>>>>> http://ci-journal.net/index.php/ciej/article/view/487/402 >>>>>>> >>>>>>> Worth experimenting! >>>>>>> >>>>>>> m >>>>>>> >>>>>>> ----- Original Message ----- >>>>>>> *From:* Andrew Roach <ajroac...@gmail.com> >>>>>>> *To:* Model 100 Discussion <m100@lists.bitchin100.com> >>>>>>> *Sent:* Monday, April 27, 2015 12:19 PM >>>>>>> *Subject:* [M100] Xbee and m100 >>>>>>> >>>>>>> I have been reading about the Xbee Xtend 900MHz Pro. >>>>>>> >>>>>>> This is a wireless serial modem with a transmission range of up to >>>>>>> 40 miles LOS (with a high gain directional antenna) >>>>>>> >>>>>>> I'm not super familiar with RF, but I know there are a fair number >>>>>>> of Ham guys on the group. >>>>>>> >>>>>>> If I was to build the proper circuits to connect the Xbee to my PC >>>>>>> and my m100, with an omnidirectional whip antenna, could I conceivably >>>>>>> be >>>>>>> broadcasting a serial connection to a bubble of 5 miles, or so, around >>>>>>> my >>>>>>> home? >>>>>>> >>>>>>> Does that sound possible? >>>>>>> >>>>>>> If it is possible, then would it also be conceivable that I could >>>>>>> concoct some kind of router at the receiving end, and have other people >>>>>>> sharing this connection using m100s and HP-200LXs connected to these >>>>>>> xbee >>>>>>> modules? >>>>>>> >>>>>>> My mind is all aflutter. >>>>>>> >>>>>>>
