Toroidal Dish.
Using Toroidal formula, Toroidal 55 & 90 are designed to reflect signals twice through the main reflector and a sub reflector, forming a focal line created by focal points along the bottom of the main reflector, making Toroidal 55 & 90 function as a multi-beam antenna that receives broadcasts & communication satellites at the same time.
Up to 16 different satellites
Superior to any rotary system
No noisy and no tear
True Multi Beam Dish
Toroidal formula makes it possible to put all and each LNBF at their optimal position!
How to....
http://www.multilnbdish.com/Manual/T...b%20Manual.PDF