Hi, having a strange problem with a few channels on hotbird 12265/v/27499,history hd/fox comedy hd to name just a couple, the channels keep freezing for a second or so, some just play sound with no picture,all other available channels on hotbird are fine it is just the ones on the above frequency,i have signal intensity of 90% and signal quality of 74%, does anyone else have the same problem, thanks, llamedos