Amateur Satellite's are for us all to use, but you must remember that not all functions, on the Satellites are operational.

Their uses are from Weather info to Packet, to Voice repeaters, from HF inputs to UHF inputs to outputs to VHF & UHF & SHF uses.

Here in Victoria, Australia most Satellite uses are using the 70cm uplink to the satellite and downlink on 2mtrs, for voice use, and contacts into New Zealand. VK3's and VK2's make contact into ZL Land.

Here is a list of Amateur Satellites.