On Sun, 10 Jun 2001, David VanHorn wrote: > At 10:13 PM 6/10/01 +0200, Anders Mejl=E6nder Jakhelln wrote: > >Tracking down a beacon in a city area can be difficult, but speaking a= bout > >GPS... > > > >If you wire up a GPS, GSM module, a PIC and some software you will not > >have an alarm, but more like a very good tracking system. To locate yo= ur > >bike just send your secret kode to your bike as a SMS, and it will ret= urn > >the exact location of the bike within seconds. > > > >Of course this would be a dream device, because you will meet a lot of > >problems like charging, antennas, fitting it into the frame bla bla bl= a... > >For a car, a device like this would be nice and not to expensive, but = for > >a bike? > > > >Everything needed is available at resonable costs (anyone care to buil= d one?) > >I don't know how the cellphone systems work in the US, but you probabl= y > >have something like the GSM system with the capability to send short t= ext > >messages. > > Click the link in my sig, or visit www.aprs.net Interesting related note: A friend of mine had a handheld ham radio stolen. This handheld had a GPS/APRS setup built in (don't know what type it was/is). About two year= s later, apparently someone decides to try to use it... the radio powers up and silently starts transmtting hs call sign and GPS-determined coordinates to the APRS net. Another ham, knowing the ham whose rig was stolen has long since moved out of town, called the owner to report the exact location of the stolen radio. One of these days I need to find out how that story ended, it's an interesting APRS story (and a true one). dale --=20 A train stops at a train station. A bus stops at a bus station. On my desk I have a workstation... -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads