I have a dish 500 and a 300. I need the 61.5,119,110 signals. Do I have to have 2 seperate dishes to get these signals? Will a dishpro twin dual plug into the switch or do I need 2 singles dishpro lnbs to plug into switch. I currently have 1 dishpro lnb. I tried to hook 2 legacy lnbs up to a 34...