Pole Position for 1973 Based on Doppler Satellite Observations.
NAVAL SURFACE WEAPONS CENTER DAHLGREN LAB VA
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The position of the earths spin axis with respect to the crust was computed on the basis of Doppler satellite observations in 1973. The standard error of the determinations based on five days of observations was about 20 cm during periods when data from 19 stations on three satellites were used in computations. Latitude residuals, based on five-day data spans, were computed for eight stations for the entire year the standard deviation of these residuals was about 70 cm.
- Spacecraft Trajectories and Reentry