With the rapid development of broadband demand , Ka broadband of satellite earth station antenna business is a new thing in recently years .
At present, in the field of aviation and internet, Ku satellite antenna technology still act a important role .With the increasing utilization of Ku satellite resources, some new entrants began to overtake the Ka satellite resources in curves. A typical case is Viasat in the USA ,which is an operator with Ka satellite resources. Facing the US aviation internet market that has been carved up, Viasat depend on Ka solution and reach perfect user experience . They rapidly capture new market and some remain market in USA . In addition, Ka whirlwind has been blown up in the aviation and internet field.