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Table 1 LInk budget of Akatsuki RS including losses for two Venus-Earth distances and for the minimum probed altitudes of 40, 60 and 80 km.

From: Radio occultation experiment of the Venus atmosphere and ionosphere with the Venus orbiter Akatsuki

Distance (AU)

0.35

1.73

EIRP of transmission (dBW)

42.5

Absorption and rain loss (dB)

−0.8

Receiver pointing loss (dB)

−0.2

G / T of ground station (dB/K)

52.7

C /N0 without Venus atmosphere (dBHz)

57.5

43.6

Defocusing loss for D = 2 Rv (dB)

40 km

−25.9

60 km

−12.6

80 km

−2.1

Absorption loss (dB)

40 km

−14.7

60 km

−0.5

80 km

0.0

Overall C/N0 (dBHz)

40 km

16.9

3.0

60 km

44.4

30.5

80 km

55.4

41.5