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History of ARISS

Looking Back

ARISS logo

ARISS, or Amateur Radio on the International Space Station (ISS), was formed to design, build and operate Amateur Radio equipment in space for educational purposes. In 1996, delegates from major national Amateur Radio organizations, such as ARRL, and from national Amateur Radio satellite organizations, such as AMSAT, in the eight nations involved with the international space station, signed a Memorandum of Understanding to form ARISS.

NASA and the Russian space organization Energia have signed agreements that spell out where the physical location of the Amateur Radio equipment will be set up on the ISS. A technical team was officially established by NASA to serve as the interface to support hardware development, crew training and on-orbit operations.

In the United States, the ARRL and AMSAT provide leadership and consultation. AMSAT donates and builds hardware as well as ensuring all safety and qualification tests required by the space agencies are successfully completed so the equipment can fly. The Russians provided ports for antennas that were mounted on the station's Zvezda Service Module -- the space station unit that provides living quarters for the astronauts and cosmonauts.

United States and Russian teams have trained astronauts and cosmonauts to operate the equipment. The Italian team has designed and built antennas. The German team has built sophisticated repeater stations that will allow crews to make recorded reports on their daily activities and permit hams on Earth better contacts with men and women aboard the station. 

The sponsoring agencies have stated that they consider access to a ham radio system a psychological support for the crews, providing them with a way to be connected and to do public outreach while they are detached in space for many weeks at a time.  In addition, Amateur Radio is a platform that allows astronauts, to quote NASA, "to offer an educational resource to students as only NASA can." Amateur Radio provides a contingency communications network for the ISS as well.

About the SAREX Program  SAREX logo. 

In 1990, before the launch of ARISS, the Shuttle Amateur Radio Experiment (SAREX) allowed astronauts such as Charles Bolden, (formerly KE41QB) and Linda Godwin, N5RAX, to communicate with students throughout the United States. (Today, Charles Bolden is the number one person at NASA, the NASA Administrator.)

Amateur Radio was a regular payload on Shuttle missions since beginning with STS-9 in November 1983, when Owen Garriott, W5LFL, carried a hand-held ham radio aboard Space Shuttle Columbia. SAREX provided students with the unique opportunity to talk directly with astronauts in the Shuttle while they orbited the Earth traveling 17,000 miles per hour. With the help of Amateur Radio operators, students could attempt to contact the astronauts flying on a SAREX mission through voice, packet (computer) radio, or television, depending on which equipment configuration the Shuttle takes into space.   Through voice contact (communication) students asked questions about the experiments being conducted on the mission and what it is (was) like living in space. When the astronauts were asleep, a robot computer Amateur Radio station aboard the Shuttle made contact with hundreds of hams around the world. Students could track the Shuttle's orbit using computer software, "eavesdrop" on Shuttle communications, and listen to NASA mission commentary and bulletins about astronaut-planned transmissions.



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