In this day and age, you would be hard pressed to find a fishing boat without some sort of fish finding device. GPS devices have become the latest in technology and water safety when it comes to fishing. They are used as a means of navigation and a way to mark your spot so that you can find it again in the future.
A GPS is a Global Positioning System that is made primarily for navigational purposes. They work off a network of satellites that are placed into orbit by the United States Government. The best part about a GPS system is that because they operate off satellite, they can be used in any weather conditions at any hour of the day.
The satellites will circle the earth twice during the day and transmit signal information to Earth. The signals can then be used to calculate the user’s exact location by implementing triangulation and pinpointing exact spots. Triangulation means that the GPS receiver must be locked into three spots before a calculation of longitude and latitude can be displayed. After the satellites have mapped the location, the GPS can narrow in on other satellites for useful information such as speed, track, trip distance, destination...