Global Positioning System or GPS signals are blocked by using GPS jamming gadgets, metal shields, GPS spoofing gadgets and mobile phone jammers. It is easier to block the signal of a GPS satellite compared to the transmitted signal of a GPS receiver.Know More
GPS is an interconnected network of satellites that revolves around the Earth. These satellites relay positional information by transmitting signals to a GPS receiver using a method called trilateration.
Some devices or materials can be used to block GPS signals. GPS jamming gadgets are widely available on the Internet. Metal shields can be used to wrap around the GPS receiver, while spoofing gadgets can transmit fake radio signals. Mobile phone jammers can be used to disrupt the real-time tracking report of GPS receivers.Learn More
Free GPS maps for any location worldwide are provided by GPSFileDepot.com, a source for maps and other GPS tools. The website allows users to narrow their selection by country as well as by individual state, for those living in the United States of America.Full Answer >
The invention of the Global Positioning System is credited to Roger Easton, Bradford Parkinson and Ivan Getting. Easton is prominently cited as being the lead developer of the GPS team; he had been working on satellite-based location systems for the Naval Research Laboratory since 1955.Full Answer >
According to Best Buy, the characteristics of the top GPS devices for cars include text-to-speech capability, dynamic search function, lane assistance, real-time traffic alerts and adequate screen size. GPS devices for cars must provide turn-by-turn directions and attach securely to the windshield or vent. The top GPS devices also locate satellites quickly, offer additional innovative features, provide upgradeable maps and incorporate mobile phone compatibility.Full Answer >
A solar car uses photovoltaic cells to transform energy from the sun to charge a battery or to power the vehicle directly. The land speed record for a solar car is 55.2 miles per hour, set on Jan. 7, 2011 by the Sunswift IV with its 55-pound battery removed. Reaching such speeds requires carefully planned aerodynamics and the sacrifice of comfort, according to HowStuffWorks.Full Answer >