2.1 The words "combined GPS/GLONASS receiver equipment"
as used in these performance standards include all the components
and units necessary for the system to properly perform its intended
functions. The equipment should include the following minimum facilities:
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.1 antenna capable of receiving both GPS and GLONASS
signals;
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.2 combined GPS/GLONASS receiver and processor;
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.3 means of accessing the computed latitude/longitude
position;
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.4 data control and interface; and
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.5 position display.
2.2 The antenna design should be suitable for
fitting at a position on the ship which ensures a clear view of the
satellite constellations.