i have tata sky and I was getting only a few frequencies strong and some unstable or low frquencies on my 240cm dish and was not getting some channels in the day. I used a santech lnb and I screwed a feedhorn to its base. The feedhorn was previously being used for c band lnb. To my amazement it made a HUGE difference. The weak transponders got stable and the quality improved by 8-10% on the weak hard to get frequencies. Now I am getting all the channels clear day and night. The feed horn probably stabilizes the signal. The santec lnb has .5 db. The feed horn can easily be attached to its existing tiny feedhorn on the lnb.