Phase-difference measurement in iVLBI and application in the measurement of lunar rotation

Earth, Planets and Space

Table 2 Link budget.

Link stations		Sat. → Lander	Lander → Sat.	Lander → Earth
Frequency		2.2 GHz	2.2 GHz	2.2 GHz
Transmission
Transmission power	dBW	6	0	−3
Feeder loss	dB	−2	−2	−2
Power distribution loss	dB	0	−4.1	−4.1
Antenna gain	dBi	−2	−2	−2
EIRP	dBW	2	−8.1	−11.1
Pointing loss	dB	0	0	0
Propagation
Basic transmission loss	dB	−168.8	−168.8	−210.7
Absorption by atmos.	dB	0	0	0
Absorption by the rain	dB	0	0	0
Polarization loss	dB	0	0	0
Receiving
Pointing loss	dB	0	0	0
Antenna gain	dBi	−2	−2	62.1
Feeder loss	dB	−2	−2	−2
Received level	dBW	−170.8	−181.0	−161.7
Tsys	dBK	26.8	26.8	24.6
Noise power density	dBW	−201.8	−201.8	−204.0
Received C/N₀	dBHz	31.0	20.8	42.3
BW	dBHz	−33	−10	−10
C/N	dB	-2.0	10.8	32.3
Real [C/N ]		0.6257
Power distribution loss	dB	−4.1
RMS phase	deg		4.7	0.03