Satellite surveillance is one of those things that we have just become used to accepting. We see it depicted on television, and the truth is that surveillance by satellite is often very good. And the space above the planet is full of satellites that can be used to look down on whatever we might be doing. Satellites are used to track the weather, look at enemy bases and territory, and even to find people. However, the protection of privacy restricts law enforcement from using this type of surveillance too much.

Satellite surveillance can also be used by more "regular" people. Anytime you use a GPS tracker or system, you are making use of satellites to figure out position and track the location of your GPS device (whether you are using it to figure out where you are or are using it to find out where your teenager is). Satellites are used in this network to help you keep track of where you and your loved ones are.

Satellite surveillance is also occasionally used to keep track of suspected criminals or people out on parole. This is because satellite picture is so accurate. It can literally see an object three inches wide on a pavement. Of course, satellites do not just randomly "see" these things. In order to see something that small, the satellite has to be trained on that area and then directed to enhance the image. So you are unlikely to be randomly spied on to any effect from a satellite. Most surveillance of that kind on individuals is planned out for a reason.

Because satellites are run by computers, this does mean that it is possible for someone to hack into a satellite's guidance system and hijack it. So if someone who was very savvy and capable of hacking into a satellite, it is possible that he or she could perform surveillance on you. However, most of the more powerful satellites are specially protected. It is important to note that it is possible to buy time with a satellite as well. That is what a local law enforcement agency does when it needs to use powerful government surveillance satellites to find a fugitive or a suspect.

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