definately secondary on a satelite connection due to the extreme lag on the connection, as for the connection speed - you are seeing the speed of the connection from your computer to the router if you are just looking at the speed windows reports
that bandwidth page will test how fast your upload bandwidth is and suggest the correct setting for the bandwidth throttles, although to be honest it hasn't been tested on a connection that laggy, in fact the laggiest connection it's been tested on was dialup :-S