General Communication Inc. (NASDAQ:GNCMA) in Alaska has signed a long-term agreement for extended C- and Ku-band capacity on Intelsat's (NYSE:I) Horizons 1 and Galaxy 18 satellites.GCI uses Intelsat's capacity for infrastructure to provide telephony, high-speed Internet and video services to customers across Alaska. In particular, the agreement is intended to enable GCI to support broadband services to schools and medical clinics, as well as telemedicine applications for hospitals that are located in remote areas.