Saab Ericsson Space delivers high-precision sensor system

Saab Ericsson Space has delivered a "Radio Frequency Sensing" system for
use on the satellite ASTRA 1 K.
The system comprises a small, 400 mm diameter, stable reflector antenna
and a receiver. It is used to measure the electrical pointing of the
satellite with reference to the ground control station with a resolution
of 1/1000 degree and accuracy, after 13 years in orbit, within 1/100
degree.

The information is used to adjust the satellite pointing in particular
in order to guarantee isolation between coverage areas where frequency
reuse is applied.

The development and verification has taken three years and the design
includes several innovative solutions. The first follow on-order is for
delivery in the summer 2001.

ASTRA 1 K is owned and operated by Société Européenne des Satellites of
Luxembourg. It will be launched later this year and is the largest
commercial communications satellite ever built. Main contractor is
Alcatel Space Industries, France.

Saab Ericsson Space is an international supplier of space equipment. The
company develops and manufactures onboard computers, antennas, microwave
electronics, guidance and separation systems for launch vehicles and
satellites.

The company has its headquarters in Göteborg, Sweden, a division at Saab
in Linköping, Sweden, and subsidiaries in Austria and the USA. The
number of employees is 660.

The company is jointly owned by Saab and Ericsson.

Saab is one of the world's leading high-technology companies, with its
main operations focusing on defence, aviation and space. The group
covers a broad spectrum of competence and capability in systems
integration.

Ericsson is the world's leading supplier in telecommunications with the
largest customer base, including the world's top 10 operators. Ericsson
provides total solutions covering everything from systems and
applications to mobile phones and other communications tools.

For further information, please contact:
Iréne Svensson, Communications Director, Phone: +46 31 735 44 63
Saab Ericsson Space. +46 705 35 08 18

The above, and additional information, is also available at www.space.se

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