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.
The House Chamber. The House of Representatives has 435 voting Members and five Delegates, each serving a two year term, and one Resident Commissioner who serves for four years. The House of Representatives is referred to as the lower house of the United States Congress, because it has more Members than the Senate.