The above description is the basic idea of what is going on with the Yagi-Uda antenna. Yagi antenna design is done most often via measurements, and sometimes computer simulations. For instance, let's look at a two-element Yagi antenna (1 reflector, 1 feed element, 0 directors).
Though there are no detailed records of when the sport of track and field began, experts say that track and field history can be traced back to 776 B.C. Track and Field History Experts say that track and field history can be traced back to 776 B.C when a cook named Koroibos, from Elis, won a race that was run over 600 feet distance. It is believed that this was the only athletic event for the initial 13 Olympic Games.
History Biography Geography Science Games Privacy. The Greeks started the Olympic Games almost 3000 years ago in 776 BC. They were held nearly every four years for over a thousand years until they were stopped in 393 AD.istory Biography Geography Science Games Privacy. The Greeks started the Olympic Games almost 3000 years ago in 776 BC. They were held nearly every four years for over a thousand years until they were stopped in 393 AD.