Is it possible to look at 4 orbital locations (61.5, 110, 119, 148) using a DP Twin for 110/119 and DP Duals for 61.5 & 148 (cascaded through DP21 switch) connected to DP34 switch or do you have to have the DP+44 switch? I already know about how to get around duplicate channel entries in the EPG.