GPS Mapping

More and more people are beginning to use GPS mapping as the primary way they plan, map, and track their trips for both business and for pleasure. With GPS...See more » More and more people are beginning to use GPS mapping as the primary way they plan, map, and track their trips for both business and for pleasure. With GPS maps, you can route trips to any destination, whether you are driving in your car with a vehicle GPS navigation system installed or hiking or biking through the wilderness with a handheld GPS mapping device. The GPS unit will connect with numerous satellites, receiving data and information about its location. The GPS tracking software will then use GPS mapping technology to create a GPS map that you can view and interact with. You can then plan routes and organize trips on your GPS receiver, as well as several other useful features. The various abilities and functions of the GPS database system is a primary factor of the cost of a GPS device. Mapmakers and GPS manufacturers all have their own system of creating maps, but most maps begin with the placement of governmental sites, like fire and police stations, schools, and similar community landmarks. Aerial images and satellite photos are then layered into the basic map, along with any important additions that may be needed, to display the GPS map seen on the device. Some GPS mapping devices can produce immediate graphics of your location and surroundings, making it possible to view a real-time map that changes as your location changes. This type of GPS map is great in emergency situations.The features of GPS maps vary. Most software includes maps of cities, along with the major highways. These maps may also include city level streets, rivers and waterways, and even less traveled side roads. Many GPS mapping systems include features that make it possible to obtain maps from your computer, making it easy and convenient to travel to any area. How to Read a GPS Mapping System The most common way for a GPS receiver to display your global location is with a plot screen, using a series of waypoints in the area. So that you can track your position logically, you should always set the plot screen directions so that north is up, or towards the top of your device so it reads like a map. The device will allow you to navigate through the GPS map, zooming in and out or even shifting the map's location. The GPS database will allow you to save various waypoints, typically at least one hundred, and label them with brief descriptions. Your waypoints and their names can help plan routes quickly in the future.GPS devices come with a map datum already installed. This is a basic representation of the land formations in the country or area where the unit was designed. GPS units manufactured in the United States are installed with North American map datum, so it is necessary to install additional software if the unit will be used outside the country. The GPS Database Most of the more costly GPS units come with an integrated GPS database program. The GPS database contains permanent waypoints that help the system recognize your location and guide your travels. A GPS system used during flights, for example, would usually have a GPS database with various airports and other navigational tools that aid in tracking their position. With these waypoints already programmed into the database, you can simply choose your destination and map your route without additional typing or searching. Most GPS mapping devices include a basic GPS database with cities and towns, major streets, and some side roads. Some GPS units have an empty database that the user must create. Global positioning systems first came into use during the 1960's and there are currently at least 24 GPS satellites in orbit. These advancements in GPS technology led to GPS mapping, making it easy to map practically any location. GIC GPS mapping software allows instant access to images of practically any location. Sometimes the resolution and clarity of the satellite image is so good, you can see cars and trees in the image. GPS Mapping Terms · Location fix refers to signals sent out from the satellites to the GPS unit to relate your location with an accuracy of 20 to 40 feet. · Track is theSee less »