'No satellite signal being received' message on Thomson HD Sky box
Over the last six weeks I've been getting the message 'No satellite signal is being received' on certain channels on my Thomson HD Sky box. For example this morning, channels 101 & 102 are fine, but 103 is unavailable. 104 ok but 105 not. I sometimes lose HD channels first. I overcome the problem by switching the box off at the wall and restarting. I did have a similar problem about 18 months ago, and Sky replaced the box with a reconditioned one. They also replaced the dish as it appeared rusty. I live about 3/4 of a mile from the coast. This time the dish is definitely not rusty.
Just a thought - is the problem weather-related or do I have a problem with the box?