XM Radio is the original satellite radio service in North America. It offers over 100 channels of radio programming that are uncensored and uncut, with relatively few commercials. You can install an XM Radio in a car on your own by buying an add-on receiver and antenna, or you can opt for a more pro

XM Radio was the first company to offer satellite radio service in North America, and it is still a leader with well over 100 different music, news, sports and talk stations. XM Radio is offered through a wide variety of retailers, online resources and even directly from the XM Radio website.Get XM

Sirius satellite radio is a subscription service that offers well over 100 stations of music, talk, sports and entertainment. Sirius differs significantly from so-called terrestrial radio because it offers uncut, uncensored material that you can pick up from anywhere in North America. Getting a Siri

Satellite radio is different from conventional, or terrestrial, radio for many reasons. First of all, because it is a subscriber service, much of the programming is commercial free and uncensored. And because it is transmitted by satellite, you can literally drive across the country while listening

Step 1 Research available satellite radio services. There are subtle differences in services, including the kinds of radio programming offered and the cost of activation and monthly fees. Several websites have side-by-side comparisons of what each service offers.Step 2 Check first on the satellite r

A GPS has an internal antenna built into it so that it can read satellite signals and translate them into the tracking data or maps you see on your screen. Reception can be compromised when using a GPS in closed-off locations, such as the woods, inside your house or in some cars. Use one of the seve

The 27 (24 active and 3 backups) satellites making up the GPS network over earth send microwave signals at light speed to communicate positions. For years, the military has used GPS coordinates to locate people, targets, set navigation and establish meeting places. Today, people use GPS for hiking,

GPS, officially named NAVSTAR Global Positioning System, was developed by the United States Department of Defense for military applications. In 1983, President Ronald Reagan opened up the usage of GPS satellites for everyone. Today one of the most popular uses of GPS is for mobile applications and n

Portable GPS navigation systems are a lot cheaper than build-in GPS in the car. They do not require professional installation and is easily transported to the next vehicle. They are simply mounted on the dashboard and powered via the cigarette lighter in the car. With a portable GPS navigation syste

GPS dog tracking systems enable pet owners to keep track of their animals and help locate missing dogs when they wander outside of their designated safe area. By sending an alert to a handheld device, pet owners can either directly track their missing pet or call a customer service phone line for as