Electrical   Specification

Type

AT45C

AT45K

Operating   Frequency, GHz

C band

Ku band

Receive

Transmit

Receive

Transmit

3.4~4.2

5.85~6.725

10.95~12.75

13.75~14.5

Gain,   Mid-band, dBi

44

47.3

53.2

54.3

Polarization

Linear   /circular

Linear

XPD(on   Axis), dB

35

35

35

35

XPD   across 1dB Beam Width, dB

33

33

33

33

Axial   ratio

(Circular-Polarized)

2-Port Feed

4-Port   Feed

1.30

1.06

1.09

1.06

VSWR

1.25

1.25

1.25

1.25

Antenna   Noise Temperature 2-port feed

10°   Elevation

30°   Elevation

50°   Elevation

34°K

24°K

21°K

52°K

41°K

37°K

Typical   G/T ( El＞10°)

25.9dB/K°

(30°LNA)

32.3dB/K

(70°LNA)

-3   dB Beam Width, Mid-band

1.12°

0.72°

0.37°

0.33°

Tx.   Power Capability, KW

5

2

Feed   Interface

CPR—229G

CPR—137G

WR-75

WR-75

Feed   Insertion Loss, dB

0.2

0.2

0.25

0.2

Isolation,   Tx to Rx, dB

90

85

First   Side lobe                                 90% Peaks under Following Envelop

-14

29-25logθ(1°≤θ＜20°)

-14

29-25logθ(1°≤θ＜20°)

Mechanical Specification

Antenna   Diameter

4.5m

Antenna   Type

Ring   Focus

Surface   Accuracy(RMS)

≤0.5mm

Antenna   Pointing Range

Azimuth

±90°,±60°(continuous)

Elevation

0°～ 90° (continuous)

Polarization

180°  (continuous)

Drive   Mode

Manual   or Motorized

Motor   Drive System

Azimuth Travel Rate

0.11°/S(0.03°/S)

Elevation   Travel Rate

0.17°/S(0.04°/S)

Polarization   Travel Rate

1 ° / s

Antenna reflector Material

Aluminum Alloy

Finish of steel parts

Hot dipped Zinc

Environmental Specification

Operational   Wind

72km/h   gusting to 97km/h

Survival   Wind

216km/h

Temperature

-40°~+60°

Relative   Humidity

100%

Solar   Radiation

1135Kcal/h/m²

Seismic(Survival)

0.3g(H),   0.15g(V)

Ice   Loading

13mm   Operational; 25mm Survival