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.
MSNBC can be found on Channel #356 on the DIRECTV Channel Lineup. This channel is also available in HD (High Definition). There are many different DIRECTV programming packages to choose from, however you will only get MSG Plus on: Entertainment.