I am having problems with the signals on 119, 22 and 24 fading in and out. Sometimes it seems to be a day/night thing, sometimes it will be down for days (24 was down for a week just before xmas) and then it will be OK again for a week or more and happen again. Good signals are in the 70's and 80's and bad ones are as low as the high teens and 20's. They are never both bad at the same time and changes occur gradually over hours when they do change. ABCW HD is on 24 and FOXW HD is on 22, so you can see why it is a concern! My 3 LNB dish has the built in 4-port multi-switch and all ports are behaving identically. The cable runs are 2 dual line continuous pieces of cable, except for one line with diplexers, about 70' long each with no line amplifiers. DirecTV installed the dish and new cables in late August and I first experienced this problem in early December. Most signals, including these when they are behaving themselves, are in the 70's and 80's with a few in the low 90's. 101, 18 and 28 both read 100 solid all the time. My question is this: "If this is an intermittent problem that can last for days and then doesn't show up for weeks (and is so transponder specific), is it the multi-switch??" (The weather doesn't seem to be a factor) ALL other transponders (that are active) on 119, 101 and 110 have stable signal strength with only "normal" slight fluctuations when these problems occur. Could it be a sun/satellite alignment thing?? The last few days 22 has been a consistent low 80's (higher than average) and 24 has been consistently in the high 50's (lower than average). The last time one was very low was 24 early last Saturday until early Sunday morning. By Sunday mid day the signal was in the 70's and 22 was in the 60's. (Quite often, when levels are fluctuating, one is way down and the other is unusually high!) For a few days earlier last week, 22 would be weak during the day and the signal strength gradually improved as the Sun was going down (over a few hours). Any help you could provide would be appreciated! If you think it could be the LNB unit, I'll get a replacement to try. Any brand seem preferable??