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.
>>
>>

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