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Olympus and Artemis

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An artist impression of the Olympus satellite in orbit
When ESA's Olympus satellite was launched on 12 July 1989, it was the world's largest telecommunications satellite - no other satellite has yet equalled its versatility in combining four different payloads in a wide variety of frequency bands.
Credits: ESA
Artemis - Artist impression
Artemis, an artist's impression. Carrying three payloads plus a number of experiments, ARTEMIS (Advanced Relay and Technology Mission Satellite) is being developed for testing and operating new telecommunications techniques.
Credits: ESA - J. Huart
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