Geoscience Reference
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Fig. 2.10 Photograph of the unmanned aerial vehicle (UAV) helicopter
Microwave Autonomous
Copter System
(MACS) equipped with a 6 cm radiometer, data acquisition system, GPS receiver
and power supply battery (Shutko et al. 2010)
Table 2.12 Characteristics of
the microwave autonomous
copter system (Krapivin ans
Shutko 2012)
Parameter
Value
Physical characteristics
Length
3.58 m
Weight
22.68 kg
Main blades
1.03 m
Engine
120 cc
Range
161 km
Payload capacity
20.41 kg
Fuel tank
32 oz
Passive sensor packages
Wavelengths
3, 6, or 21 cm
Sensitivity
0.3 - 0.5 K
3-db beam width
30
°
Power supply
27 V DC
Power consumption
15 VA
Weight
2
-
6kg
Others
Frequencies
1.4 or/and 5 GHz
Polarization
H or V
Antennas
Flat panels w/30
°
3-dB
Incidence angle range
Fixed angles 0
30
°
-
Sensitivity
0.5 K
Flight time
2 h
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