If you call them, you must figure out some way that they do not realize you are in the USA. If so, they will not help or so I am told.
Is your program package activated all year long or do you activate it before heading south?
I still do not have enough information.
Did you bring the entire system with you- receiver, dish etc.
Did you set it up yourself?
Do you get the green light on the receiver when hooked up to the dish or is it red? Green means it sees the satellite- red is not good- no satellite seen- usually a dish out of alignment.
I believe that if you get a green light- it is software problem if no picture.