Space Shuttle Amateur Radio Experiment
Space Amateur Radio Experiment, or SAREX, was a long-running
program to use amateur radio equipment on board the space shuttle,
the Russian Mir space station, and the International Space Station.
Students from more than 200 schools exchanged questions and
answers with astronauts in orbit. It was also used to conduct
communications experiments with amateur radio operators on the
Space Shuttle Amateur Radio Experiment, or SAREX, provided students
with the unique opportunity to talk by radio with astronauts in
the shuttle orbiting the Earth traveling about 27,360 kilometers
(17,000 miles) per hour. With the help of amateur radio operators
on the ground, students attempted to contact the astronauts by voice,
packet (computer) radio, or television depending on the equipment
the shuttle took into space.
who are licensed ham radio operators participated in SAREX during
their free time on missions. They made ham radio contacts with students
around the world, exciting them about space, science and technology.
The astronauts also contacted their families and friends, and individual
ham radio operators.
used the radio contact with the astronauts to ask questions about
the experiments being conducted on the mission and what it is like
living in space. Classes tracked the shuttle's orbit using computer
software, and "eavesdropped" on shuttle communications. When the
astronauts were asleep, a robot computer amateur radio station aboard
the shuttle was programmed to make contact with hams around the