I have a SC 505 system up and running in mexico city, i'm using a 2.4 meter dish with 110º sat as primary focus (for DN) and just added the 2 lnbs for SC, the Anik F1 sat gives me about 70 to 80 with 7 ot 8.5 db, no freezing no problems, but the Anik F2 gives me sometimes signal that varies from...