A VSAT terminal communicating with a geosynchronous satellite usually only use a 5Watt BUC (10W for higher bandwidth). These are of course mechanically pointed

A VSAT terminal communicating with a geosynchronous satellite usually only use a 5Watt BUC (10W for higher bandwidth). These are of course mechanically pointed directly to the satellite, but the point being that you don’t need very high transmit power even when the target is 30000+ km up.