On Wed, Dec 23, 2009 at 10:14 AM, Dave F. <dave...@madasafish.com> wrote:
> John Smith wrote: > > 2009/12/23 Robin Paulson <robin.paul...@gmail.com>: > > > >> i had an idea recently, that it might be possible to map a stream or > >> small river (in an area with poor aerial photo coverage) by using a > >> gps in a waterproof container attached to a flotation device > >> > > > > I had the same thought in about June, but decided it wasn't worth > > pursuing since you would have to figure out how to recover it and > > that's assuming it doesn't get snagged on something or stolen. > > > > About the same time someone announced a GPS received + GSM transmittor > > for shoes for dimentia/alzhimers patients, the would require close > > proximity to a phone network, which may not be as much of an issue in > > other countries as it is here. > > > How about a dog tracker?: > > https://buy.garmin.com/shop/shop.do?cID=209&pID=8576 > $599 (USD)? Just throw your $399 (USD) Android Dev Phone in the river, running one of the dozen tracking apps :). It'd be a fun experiment, but a monetarily risky one.
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