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Sea Launch User's Guide

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8.4 Flight Operations<br />

Range tracking<br />

and telemetry<br />

Range tracking and telemetry return is provided is provided by <strong>Sea</strong><br />

<strong>Launch</strong> using assets on board the ACS and the launch platform through<br />

the tracking and data relay satellite system (TDRSS).<br />

Ground monitoring installations include the launch control center on<br />

board the ACS and the Russian ground tracking station in Korolev,<br />

outside Moscow.<br />

Line-of-sight telemetry coverage is continued through payload fairing<br />

jettison. TDRSS telemetry is routed through the central communication<br />

node in Brewster, WA.<br />

Range<br />

coordination<br />

<strong>Sea</strong> <strong>Launch</strong> provides all necessary range coordination functions<br />

independent of the eastern or western range sites in the United States.<br />

These include<br />

• FAA (air traffic).<br />

• Defense Mapping Agency (notice to mariners).<br />

• NASA (orbital collision avoidance).<br />

There is never a problem with range availability since there are no other<br />

launches competing for <strong>Sea</strong> <strong>Launch</strong> assets at the same time.<br />

Weather<br />

The ACS includes<br />

• Self-contained weather station with C-band Doppler radar.<br />

• Upper atmospheric balloon release capability.<br />

• Surface wind instruments.<br />

• Wave radar.<br />

• Ambient condition sensors.<br />

• Satellite imagery.<br />

A full-time meteorologist is stationed on the ACS while at sea.<br />

REV B D688-10009-1 8-25

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