That is, it calculates how long it takes for the packet to reach the server and to be sent back. It's actually slightly more complicated, because when you ping something you actually send a whole bunch of these PING messages.
ABC HD features great movies and programming such as Dancing with the Stars, Modern Family, Desperate Housewives and Grey's Anatomy in high-definition. amc hd AMC HD is an award-winning, 24-hour network that offers an extensive list of film titles, as well as critically acclaimed original programming.
Effective 12/22 Comcast will launch MLB Network on Digital Classic 280. Also MOJOHD channel 206 is discontinuing programming. Two other sports HD channels Versus and Golf Channel that currently share one channel will each now be offered full time. Versus HD will be on 206 and Golf Channel HD will be on 207.