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Technical Article • May/June 2009
MM-Figure 13.jpg
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Figure 13: Modernization Milestone

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FIGURE 13: Comparison of PRN 1 to PRN 30 pseudorange errors where clock, orbit, troposphere, and ionosphere errors are eliminated. PRN 30 is chosen for comparison due to its orbital proximity. PRN 1 has an elevation-dependent bias with a relative shift of 0.7 meters from 20 degrees elevation to 60 degrees elevation.

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