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Why is GPS service free? Hi tehre, Bear with me if you think I post this thread in the wrong forum. I always wonder why GPS service is free. Yes, we pay money to buy GPS device. But companies like TomTom do not pay money to GPS project. I googled GPS and figured out this project is financed by Department of Defance and they spend a lot of money maintaining these satelites. Is it somehow the GPS device companies stealing money from US government? Also, some countries use GPS to guide their cruise missiles. I don't see it fair. Any thoughts?

By: Guest
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The GPS signal is there..

Tomtom and Garmen are not using up any resources.

[d] By: Guest
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Because it is :)

It's actually because they use Government satellites. It's not costing them anything. What happens is that it's like a form that dolphins use called "Ecolocation" where they send out a signal, and it bounces off of objects (in this case, the satellites) and then the GPS figures it out with math where I am at that location.

[d] By: Guest
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If you think it is free.....

google how much of your money is actually paid in taxes! Something like 85 cents on the dollar!

[d] By: Guest
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Not really stealing

It is our money, after all, and since DoD decided there was negligible security risk and that they would allow the technology to be sold commercially, it's definitely legal.

The GPS service doesn't work like cell phones, where you need to both send and receive information. The satellites just send a precise timing signal, so all you need is a receiver that can both receive the signal and know what to do with it. The signal is already being sent for military use, so it's no extra cost to allow civillians to use it.

Because we control it, other countries can't depend completely on GPS for their military uses, which is why Europe is investing in their own system. When GPS first came out, there was an error automatically figured into the signal to prevent other countries from getting the same accuracy. US military receivers had a correction code, but civillian receivers don't. Currently this error has been removed, but if there were sufficient reason to, it could be turned on again.

I don't think any other nation has GPS guided weapons except perhaps those who buy them from the US. They could of course develop their own, but like I said, unless they play nice, we could make the signal unusable to them.

[d] By: Guest
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Thank you all.

Although I am still a little bit confused, but I guess I get the picture. Again I appreciate all of your responses.

[d] By: Guest
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GPS is receive only

The GPS technology works by sending information in one direction only. From the satellites to the receiver. There is NO information sent from the receiver to the satellites, under any circumstances. This is different from cell phone service and other things where two way communication is required. So once the satellites are up there broadcasting their signals, there is no additional cost to the service provider (government) for turning on an additional receiver. If Garmin builds and sells another billion receivers, it doesn't place any extra "load" on the system. It's analogous to an AM radio station, where adding receivers doesn't increase the load on the transmitter. And AM radio is free, too.

[d] By: Guest
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Response
What is 1 + 100



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for restaurants, kiosk, and any other retails business completely free. It can be used as windows cashier system or as full blown POS. You will able to print to kitchen, display orders on the kitchen screen, manage inventory, employee, report, customer loyalty offers, employee management, delivery address track and much more, all for free.

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