The NASA Global Differential GPS System (GDGPS) and The ...
The NASA Global Differential GPS System (GDGPS) and The ...
The NASA Global Differential GPS System (GDGPS) and The ...
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Revolutionary New Capabilities in Orbit<br />
Enabling precise autonomous operations near earth<br />
Real-time orbit determination<br />
Real-time time-transfer<br />
Integrity (<strong>GPS</strong> malfunction flags)<br />
<strong>NASA</strong>’s <strong>Global</strong> <strong>Differential</strong> <strong>GPS</strong> <strong>System</strong><br />
State of the Art<br />
(unaugmented <strong>GPS</strong>)<br />
1-5 meters<br />
~10 nsec<br />
Not available<br />
GD<strong>GPS</strong><br />
0.1 - 0.3 m<br />
~1 nsec<br />
Included<br />
<strong>NASA</strong><br />
Y. Bar-Sever - 15
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