EMS Technologies Completes Deliveries of Space Station Antennas

01 October 2001

space-to-ground antenna, capable of data rates of up to 75 Mbps, is used for all high data-rate transmissions and receptions to the International Space Station (ISS).

Using sophisticated materials (titanium, carbon fiber and kevlar), the gimbaled Ku-band antenna automatically tracks NASA's Tracking and Data Relay Satellite System. Its functionality complements the gimbaled S-band antennas, a criticality-1 system used for low data-rate telecommunications, telemetry & command (TT&C). Two S-band antennas and one Ku-band antenna have already been launched, delivered and installed on board the International Space Station, ensuring complete bi-directional space-to-ground-to-space communications coverage.

This delivery is the final shipment of communications antennas for the ISS. A total of three S-band (two on-orbit and one ground spare) and three Ku- band antennas (one on-orbit and two ground spares) have now been delivered from EMS Technologies' Space & Technology Group in Montreal.

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