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Table 7

Expected relative gain between IR and green on the signal received

Expected gain in IR compared to green link

Elevation angle 20° 40°

Retro-reflector A11/A14/A15 L1/L2 A11/A14/A15 L1/L2

Laser 3 3
Transmit and receive optics 0.939 0.939
Divergence 1.3 1.3
Atmospheric transmission (1.9)2 (1.32)2

Velocity aberration 1.28 2.14 1.28 2.14
Total gain IR/green 16.9 28.3 8.2 13.7

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