NASA TV - amateur television repeaters

NASA TV (originally NASA Select) is the television network of the United States space agency, NASA. NASA TV is broadcast by satellite with a simulcast over the Internet. Local cable television systems across the U.S. may carry the public channel at their discretion, and it is broadcast by some amateur television repeaters. The network has been on the air for more than 25 years.

The network airs a large amount of educational programming, and provides live coverage of an array of manned missions, including the Space Shuttle and ISS, robotic missions, and international launches. 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/digital broadcasting, although some cable television system may still transmit in analog. The satellite link uses the DVB system for data transmission.

NASA TV airs a variety of regularly scheduled, pre-recorded educational and public relations programming 24 hours a day on its various channels. Programs include NASA Gallery (famous photographs and video from NASA's history), Video File (b-roll footage for news and media outlets), Education File (special programming for schools), NASA EDGE (hosted program focusing on different aspects of NASA) and This Week @ NASA (news from NASA centers around the country). Live International Space Station (ISS) coverage and related commentary is aired daily at 10 a.m. CST and repeats throughout the day.

The network also provides an array of live programming, such as 24-hour coverage of Space Shuttle missions, ISS events (spacewalks, media interviews, educational broadcasts), press conferences and rocket launches. These often include running commentary by members of the NASA Public Affairs Office who serve as the "voice of Mission Control," including Rob Navias, Josh Byerly, Nicole Cloutier and Brandi Dean.

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