Main specifications of the Alice™ stations

Main specifications of the Alice-SC™ station

Parameter	Alice-SC™
Antenna type	axially symmetric solid reflector
Type of positioner	2-axis (X-Y)
Antenna tracking control	step-type
Antenna reflector diameter, m	1.2
Polarisation	right circular
Working frequency band, MHz	1,670 … 1,710
Digital data rate, Mbps	from 0.5 to 8.0
Modulation type	BPSK, QRSK
Noise temperature of the low-noise amplifier-converter, K	65
Rotation range for tilt (Y), deg.	-80…+90
Rotation range for elevation (X), deg.	0 … 170
Max rotating velocity for elevation (not less than), deg./sec	2
Max rotating velocity for tilt (not less than), deg./sec	2
Dynamic tracking error (not more than), deg.	2
Antenna system weight (not more than), kg	40
Antenna system working temperature range, C	- 40 … +50
Wind speed, m/s: - working - survival	20 30
Primary power supply requirements	220 V, 50/60 Hz, single phase
Maximum consumed power, V*A	300
Bit error probability at any satellite elevation over 5 deg.	10^-6

The Alice-SC™ receiving station operates on the basis of personal computer (Intel Pentium IV processor for MS Windows XP).