HELP PLEASE, I HAVE A DREAMBOX 8000 I CAN RECEIVE CHANNELS FROM 28 EAST TO 30 WEST WITH NO PROBLEM , WHEN I TRY TO GO THE OTHER WAY 28 EAST TO 42 EAST I GET NO CHANNELS AT ALL, WHEN I TRY TO SCAN THEM IN THERE IS NO SIGNAL QUALITY AT ALL PLENTY OF SIGNAL STRENGTH, IF I TRY ANOTHER CHANNEL LIST THE CHANNELS STILL WONT OPEN . I HAVENT MOVED THE DISH AT ALL AND THEY ALL USED TO WORK WITH NO PROBLEM . I GET THE SAME RESULT WITH MY DREAMBOX 7025. ANY IDEAS PLEASE