What dimwit designed GPS navigators?
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From: tipsy on 1 Aug 2010 02:49 On Sat, 31 Jul 2010 16:42:31 -0700 (PDT), Coach <suvvdj(a)yahoo.fr> wrote: > They cause cancer too. Stick to the Melways instead. Haven't you heard? Melways use trackable ink.
From: Coach on 1 Aug 2010 03:07 On Aug 1, 3:55 pm, Doug Jewell <a...(a)and.maybe.ill.tell.you> wrote: > |-|ercules wrote: > > "Doug Jewell" <a...(a)and.maybe.ill.tell.you> wrote > >>> I don't use it now because I bought it with a credit card so I assume > >>> the govt. can track me with it. > >> Your paranoid mind can rest on this point. GPS satellite data is > >> totally one way. The GPS tracking that you see on TV shows requires a > >> second transmission link to work in the real world - eg mobile phone > >> network. IE, the GPSr decodes the position signal, and then it > >> transmits that position using the mobile network. Some of the > >> bushwalkers GPS's use this technique to send a text message with your > >> position and "OK" or "SEND HELP". But unless you have a special > >> purpose device, (which your navman isn't), you don't have to worry > >> about being tracked. > >> The network of traffic cameras that are set up in brisbane on the > >> other hand... > > > I doubt it, if there is only a signal from the satellite to you then it > > would > > have to diffract a different signal at a trillion different angles. > > Considering > > 3D TV without glasses can only send different images to 9 different angles > > I doubt that's how GPS works. There must be a radio transmitter on the > > GPS, > > which probably sends a serial number, and is probably logged by the > > satellite. > > Nope GPS is nothing like 3D TV, and is totally 1 way > communication. Your GPS does not send anything back. There > are a couple of dozen satellites orbiting the earth, > constantly sending out a relatively simple data stream, > which basically includes the satellite's position and the > time the satellite sent the data packet. By measuring the > time it takes for the signal to reach the GPSr, it can > determine it's distance from each satellite. With a signal > from at least 3 satellites it is relatively simple > mathematics to calculate the position. Care to post that relatively simple mathematical formular?
From: Clocky on 1 Aug 2010 03:12 |-|ercules wrote: > Don't get me wrong driving around a new town with a navigator lets > you enjoy the ride knowing where you're going, it's like going from using > a walking cane > to seeing. > But I bought a navman and it was a pain, I paid an extra $100 for > live traffic updates but never saw any. All I wanted was map view to come > on when I turned on > the ignition and turn off when I took out my keys. > > Nope, half the time you had to agree to 5 pages of terms and > conditions while you're driving down your street, answering "Are you > driving now or are you the > passenger?" click passenger... had to manually turn it off on and on and > click click click click > click click just to see the map view! fcking daft thing. > > I don't use it now because I bought it with a credit card so I assume > the govt. can track me with it. Why would you assume that?
From: |-|ercules on 1 Aug 2010 03:41 "Clocky" <notgonn(a)happen.com> wrote > |-|ercules wrote: >> Don't get me wrong driving around a new town with a navigator lets >> you enjoy the ride knowing where you're going, it's like going from using >> a walking cane >> to seeing. >> But I bought a navman and it was a pain, I paid an extra $100 for >> live traffic updates but never saw any. All I wanted was map view to come >> on when I turned on >> the ignition and turn off when I took out my keys. >> >> Nope, half the time you had to agree to 5 pages of terms and >> conditions while you're driving down your street, answering "Are you >> driving now or are you the >> passenger?" click passenger... had to manually turn it off on and on and >> click click click click >> click click just to see the map view! fcking daft thing. >> >> I don't use it now because I bought it with a credit card so I assume >> the govt. can track me with it. > > Why would you assume that? I thought they sent out radio signals. I clicked a button on my iphone and it showed a pin dead center over a map with my house in the middle. A few weeks later the iphone app Timelapser caught pictures of police in the front yard. Herc
From: George W Frost on 1 Aug 2010 04:13
<tipsy(a)beerlover.com.au> wrote in message news:d76a56t7firefgsv39bp16o3dc8qbkeq0l(a)4ax.com... > On Sat, 31 Jul 2010 16:42:31 -0700 (PDT), Coach <suvvdj(a)yahoo.fr> wrote: > >> They cause cancer too. Stick to the Melways instead. > > Haven't you heard? > > Melways use trackable ink. > Beats the "L" out of a trackable link |