There are 4 satellites at 28 deg plus or minus a few seconds astra 2 d carries the main BBC ITV Programmes the beam for this is very tight and is meant for the uk only there is not enough room so a few transponders carry ITV programs on one of the other astra satellites but is soft encrypted ok for sky boxes
in the uk you can see all satellites at 28 deg as one satellte on a 43 cm dish in the south of the uk as
freesat is amied at the uk which you should not have any problem on a 43cm dish in the south the further you move away from the foot print the bigger the dish required as no two satellite foot prints are the same so down here so you require a big dish