The Global Positioning System (GPS) is a network of about 30 satellites orbiting the Earth at an altitude of 20,000 km.
There are 435 voting members in the House of Representatives.
Role of the House of Representatives. There are 150 members elected to the House of Representatives. Each member represents one of Australia's 150 electorates. On average, 150 000 people live in each electorate, with an average of 100 000 voters. The Australian Government is formed in the House of Representatives, from the party, or coalition of parties, with the support of the majority of members in the House. Members of the House of Representatives: