One large satellite used by hams is the Moon. In addition to voice transmissions, in recent years interest in digital radio has grown. Uses include wireless computer networks and radio location networks that incorporate Global Postition Systems. Today that has all changed. Now you can learn an entry level license without being required to learn Morse Code.
Testing is conducted on a regular basis in the Southwestern Michigan area.
If you're interested, drop us a line and we'll get information to you. For an excellent overview of amateur radio visit the ham radio information page at the ARRL .