It’s a big place, Planet Earth, and if you don’t know where you’re going, things can get a bit tricky… Luckily – help is at hand. Thanks to our friends at Geomatics.org.uk we have a personal navigator to offer the lucky winner of this quickie quiz. Described as the ‘smallest, go-anywhere GPS’, you can tuck it in your pocket and never be lost again. It’s also waterproof, backlit and easy to use. To get into the prize draw, all you need to do is get the following 10 questions right. Got your bearings? OK, here we go… GOOD LUCK! >>>
	01 What does GPS stand for? Great Pie in the Sky Geographically Precise Satellites Global Positioning System Geomatics Problem Solver 02 What is the main use of GPS? Spying on people Navigation, mapping and monitoring Broadcasting television programmes Taking photographs of the Earth from space 03 Where can’t you use GPS? At sea Indoors In the countryside On aeroplanes 04 How many GPS satellites do you need to get an accurate position? 4 8 12 24 05 How many GPS satellites are there? 4 12 24 30 06 Who created GPS?? Walt Disney The United States Department of Defense The Russian Federation Ministry of Defence Aliens 07 What is the diameter of the Earth? 1, 476km 12, 756km 130, 567km 250, 345km 08 How high above the Earth are the GPS satellites? 200 km 2, 000km 20, 000km 200, 000km 09 Which of the following is a source of errors in GPS positions? Birds, aeroplanes, hot air balloons – anything which is flying through the sky The GPS signal travelling through the Earth’s atmosphere Taking GPS positions in the dark Moving so fast that the GPS can’t keep up 10 What is the name of the European equivalent to GPS which will be up and running by 2008? Glonass Gallileo Gertrude EuroGeo Back to Quizzes & Competitions