Amateur communications sts

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Sunday, March 31, 2019
Amateur radio , also known as ham radio , is the use of radio frequency spectrum for purposes of non-commercial exchange of messages, wireless experimentation, self-training, private recreation, radiosport , contesting , and emergency communication. The term "amateur" is used to specify "a duly authorised person interested in radioelectric practice with a purely personal aim and without pecuniary interest;" [1] either direct monetary or other similar reward and to differentiate it from commercial broadcasting , public safety such as police and fire , or professional two-way radio services such as maritime, aviation, taxis, etc. The amateur radio service amateur service and amateur-satellite service is established by the International Telecommunication Union ITU through the Radio Regulations. National governments regulate technical and operational characteristics of transmissions and issue individual stations licenses with an identifying call sign. Prospective amateur operators are tested for their understanding of key concepts in electronics and the host government's radio regulations. Radio amateurs use a variety of voice, text, image, and data communications modes and have access to frequency allocations throughout the RF spectrum.
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Talking to Space Shuttle Atlantis

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Ham Radio - STS - - The Columbia Disaster - Ham Radio Was There!

You can contact them during their leisure time. Bolden Jr. Lichtenberg , mission specialist C. Michael Foale , mission specialist David C. Leestma , payload commander Kathryn D. Sullivan and payload specialist Dirk D. Image credit: NASA.
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Shuttle Amateur Radio Experiment

Tune Around! One that comes to mind is that nobody on the ground was killed or injured when debris rained down on east Texas. That's because most of the shuttle fragments fell in rural country, much of it concentrated in Nacogdoches and San Augustine counties, about miles southeast of Dallas, early on a cold Saturday morning.
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Astronauts aboard the International Space Station ISS today perform a number of objectives ranging from scientific experiments, station maintenance, to studies on the physiology of the human body in micro-gravity environments. With a rigorous schedule of experiments, little time each day is reserved for recreation. Astronaut Scott Kelly recently completed a year-long mission aboard the ISS as part of a study of the effects of long duration space flight on the human body. He regularly used Twitter.
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