The Global Positioning System (GPS) is a satellite-based navigation system made up of a network of 24 satellites placed into orbit by the U.S. Department of Defense.GPS was originally intended for military applications, but in the 1980s, the government made the system available for civilian use.ere are some other interesting facts about the GPS satellites (also called NAVSTAR, the official U.S. Department of Defense name for GPS): 1  The first GPS satellite was launched in 1978. 2  A full constellation of 24 satellites was achieved in 1994. 3  Each satellite is built to last about 10 years.
Quick Answer. According to Acme Trucking, a hot shot driver specializes in express deliveries that are less than a typical load. Driving hot shot loads is popular in the trucking industry because they usually pay more than regular trucking jobs. Continue Reading.
Given that they are time sensitive, hot shot loads allow you to charge a higher price and make a better profit. Load boards are usually not the best way to get trucking contracts because competition is high and truckers undercut each other. Most loads have low profit margins and you have to price your services carefully. However, hot shot loads are a small exception to this rule. Due to their urgency and expedited nature, they allow you to charge higher rates. Keep in mind that the best way to get high-paying freight loads is to develop long-lasting relationships with shippers. Note, we are not a load board. We are providing this list for your convenience. Here is a list of the top hot shot load boards: 1  uShip â Hot Shot.  Hot Shot Carrier.