Just curious, Since Instamapper is using Google Maps tiles, doesn't this violate 2g of Google's TOS (just because it is using the GPS "sensor")? http://www.google.com/intl/en_ALL/help/terms_maps.html
> Date: Tue, 1 Feb 2011 14:07:53 -0500 > From: "M. Adam Davis" <[email protected]> > To: Paul Faunik <[email protected]> > Cc: [email protected] > Subject: Re: [Geowanking] low cost gps location broadcasting hw / sw > Message-ID: > > <[email protected]<aanlktinvhc2qk3-e2k_yecf7ct%[email protected]> > > > Content-Type: text/plain; charset="iso-8859-1" > > Go to http://www.instamapper.com/diy.html and follow the instructions. > $50 > prepaid phone from Target, $0.35/day for tracking ($50 phone includes $10 > credit, so you're good for about a month before having to buy more credit). > 3-6 days standby time (significantly less depending on cellular conditions > and your update rate - one minute update rate will drain the battery in > 8-12 > hours). For more time, strap a larger battery to it - the one it has is > under 1AH, so you can easily double or triple that time with 3 AA NiMH > 2000mAH cells, or some Li-Ion cells such as > http://www.sparkfun.com/products/8483 and > http://www.sparkfun.com/products/8484. You'll need to charge them > externally, of course. Works on Nextel/Boost network (make sure you have > coverage in the areas you're interested in). Cellular accessories, such as > car chargers, holders, etc may come in handy if you simply want the tracker > to work whenever a vehicle is on. > > I have built other GPS tracking devices, and it's unlikely that you can > beat > the cost if you need cellular coverage. For short range work a > hacked-together FRS radio pair, microcontollers (such as arduino), and GPS > is still more expensive to start up, but there are no ongoing costs so > might > be better savings in the long run. Note that it may be illegal to use FRS > radios this way. > > -Adam > >
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