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 Congress is contained of two houses known as: House of Representatives (lower house) and Senate (upper house). There are total of 535 voting members of which 100 senators and 435 representatives. There are also 6 non-voting members called delegate. The meeting place for the congress is the US Capitol.