The network also provides an array of live programming, such as ISS events (spacewalks, media interviews, educational broadcasts), press conferences and rocket launches. Live ISS coverage and related commentary is aired in hour-long segments throughout the day. Programs include NASA Gallery, which features photographs and video from NASA's history Video File, which broadcasts b-roll footage for news and media outlets Education File, which provides special programming for schools This Week NASA, which shows news from NASA centers around the country and NASA Edge and NASA 360, hosted programs that focus on various projects and activities within NASA. NASA TV carries a variety of regularly scheduled, pre-recorded educational and public relations programming 24 hours a day on its various channels. While NASA TV is distributed by NASA in high definition, some redistributors, such as Dish Network and DirecTV, downconvert to standard definition before delivering to their customers. The NASA TV website also provides a channel featuring continuous live footage from inside and outside the ISS, established to celebrate the 10th anniversary of the station in orbit. The "Education Channel" was discontinued in 2016, with its programming merged into the main Public Channel. A high definition simulcast feed of the "Public Channel" was launched on July 19, 2010. The final is the "NASA TV UHD", an experimental ultra-high-definition television channel created through a Space Act Agreement with Harmonic Inc., featuring content from NASA's archives that takes advantage of the large format, with a musical audio track. The "Media Channel" is dedicated to broadcast news organizations and other members of the press, featuring press release video, interviews, mission press conferences and other services. The "Public Channel" provides 24-hour broadcasting of live and recorded events and documentaries aimed toward the general public, as well as space and science programming for schools, museums, and other educational institutions. The satellite link uses the DVB-S system for transmission. The network completed its conversion from analog to digital transmission in late 2005 following the launch of STS-114, ending a period of dual analog and digital broadcasting, although some cable television systems may still have transmitted in analog prior to the U.S. The network airs a large amount of educational programming, and provides live coverage of an array of manned missions (including the International Space Station), robotic missions, and domestic and international launches. ![]() NASA has operated a television service since the beginning of the space program for archival purposes, and in order to provide media outlets with video footage. The network was formally created in the early 1980s to provide NASA managers and engineers with real-time video of missions. ![]() NASA TV is also available via various cable, satellite, and over-the-top media services around the world. government and is within the public domain. Local cable television providers across the United States and amateur television repeaters may carry NASA TV at their own discretion, as NASA-created content is considered a work of the U.S. ![]() It is broadcast by satellite with a simulcast over the Internet. NASA TV (originally NASA Select) is the television service of the National Aeronautics and Space Administration (NASA).
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