What is "keyholetv"

KeyHoleTV is an online television portal that links to Japanese television channels, radio stations, and user-made channels. However, KeyHoleTV only has a very limited selection of channels, such as TV Asahi, NHK, Fuji TV, TBS, TV Tokyo, and Nippon TV. Most are analog and some of the applied channels are password protected. However it does have the US Military's AM radio station in Japan AFN Tokyo Eagle 810