1.8M Offset Earth Station Antenna

1.8M Offset Earth Station Antenna
Product Details

1.8m Tx/Rx Antenna

1:Conform to the CCIR580-4 standards and INTELSAT access requirements;

2:Offset antenna;

3:High gain, Low sidelobe, high G/T value;

4:Hot-dip zinc processed Antenna mount, with strong corrosion resistant ability;

5:Optional C band with 870 MHZ bandwidth;

6:Optional 2 port and 4 port for linear polarization or circular polarization feed;

Accessories

Ground plot, foundation template, the anchor bolt;

Optional

Deicer, outdoor unit support, electric equipment, antenna controller, antenna drive, tracking receiver, driving motor, limit switch, cable, connector, electric polarization, activity foundation, lightning rod and wire;

This model has been widely used in the military, civil air defence, public security, fire control, weather, SRTC,CNPC,CNOOC,CAAC,Sino Satellite,China Telecom,China Unicom ,China mobile,etc

ELECTRICAL SPECIFICATIONS

Type

NS-SEC-180

NS-SEC(Ku)-180

 

Operating Frequency,GHz

C-Band

Ku-Band

Receive

Transmit

Receive

Transmit

3.625~4.2

5.85~6.425

10.95~12.75

13.75~14.5

Gain, Mid-Band, dBi

35.5

39.5

44.6

45.6

Polarization

Linear or Circular

Linear

XPD(on axis),dB

35

35

35

35

Axial Ratio(2 port)  

1.30

1.09

/

/

Axial Ratio(4 port)

1.06

1.06

/

/

VSWR

1.25:1

1.25:1

1.25:1

1.25:1

Antenna Noise Temperature

           10°Elevation

            30°Elevation

            50°Elevation

 

39°K

29°K

26°K

 

 

/

 

43°K

36°K

32°K

 

 

/

-3dB Beam width, Mid-Band 

2.87°

1.92°

0.92°

0.87°

Tx. Power Capability, KW

/

5

/

2

Feed interface 

CPR-229G

CPR-137G

WR-75

WR-75

Feed Insertion Loss, dB

≤0.2

≤0.22

≤0.25

≤0.28

Isolation, Tx to Rx, dB

90

85

First Sidelobe,dB

90% Peaks under Following envelop,dBi

-14

29 - 25 logθ(1°≤θ<20°)

-14

29 - 25 logθ(1°≤θ<20°)

MECHANICAL SPECIFICATIONS:

Antenna Diameter

1.8 m

Antenna Type 

Offset

Mount Type

El. Over Az.

Surface Accuracy(RMS)

≤0.35 mm

Weight(Net)

150kg 

Antenna Pointing Range(Continuous)

Azimuth 

Elevation

Polarization

 

0-360 °(Continuous)

5°~90°(Continuous)

±90°(Continuous) 

Drive Mode

Manual or Motorized

ENVIRONMENTAL SPECIFICATIONS:

Wind speed of work 

72kmph work wind speed(Hold the precision )

97kmph work wind speed(Lower the precision )  

200kmph Survival Winds(Upturned lock)

Ice Load, Survival

13mm Wrapped ice normal work

25mm Wrapped ice survival

Temperature

-30°C~50°C

Relative Humidity

100%

Surface treatment 

Steel parts: thermal-spraying zinc 

Aluminum parts:spray paint

Solar Radiation

1135Kcal/h/m2

The specifications may change without notice.


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