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3.7m Satellite Receiving And Transmitting Antenna, satellite antenna for communications

3.7m Satellite Receiving And Transmitting Antenna, satellite antenna for communications

The antenna can be used in synchronous orbit satellite communications, data transmission, microwave radio relay communication and satellite TV receiving for receiving and transmitting. The antenna performance Conform to the latest ITU R S 580 recommendations standards and INTELSAT access requirements;

Technical Parameters

3.7m Satellite Receiving And Transmitting Antenna, satellite antenna for communications

The antenna can be used in synchronous orbit satellite communications, data transmission, microwave radio relay communication and satellite TV receiving for receiving and transmitting. The antenna performance Conform to the latest ITU R S 580 recommendations standards and INTELSAT access requirements

Characteristics:

 Conform to the latest ITU R S 580 recommendations standards and INTELSAT access requirements “This specification is a sample for basic generic antennas”

● Ring focus antenna;

● High gain, Low sidelobe, high G/T value;

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

● Optional C band with 870 MHZ bandwidth;

● Ku-Band 2-ports or 4 ports Linear/Circular feed optional;



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Accessories:

Ground plot, foundation template, the anchor bolt;

Optional:

Deicing equipment, electric equipment, antenna controller, antenna drive, drive motor, limit switch, step autotracking, cable, connector, electric polarization, activity foundation, lightning rod and wire, high-frequency head;


ELECTRICAL SPECIFICATIONS

Type

NS-SEC-370

NS-SEC(Ku)-370

 

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

42.2

45.4

51.4

52.7

Polarization

Linear or Circular

Linear



XPD(on axis),dB

35

35

35

35

Axial Ratio(2 port)  

1.30

1.09

/

/

VSWR

1.25:1

1.25:1

1.25:1

1.25:1

Antenna Noise Temperature

           10°Elevation

            30°Elevation

            50°Elevation

 

35°K

26°K

25°K

 

 

/

 

49°K

39°K

35°K

 

 

/

Typical G/T ( El.>10°)

22.3 dB/°K

(30°L N A  )

/

28.6 dB/°K(70°L N A  )

/

-3dB Beam width, Mid-Band

1.28°

0.82°

0.44°

0.38°

Tx. Power Capability, KW

/

5

/

2

Feed interface

CPR-229G

CPR-137G

WR-75

WR-75

Feed Insertion Loss, dB

≤0.15

≤0.10

≤0.25

≤0.2

Rx-Rx, Tx-Tx  Linear, dB

30

30

30

30

Tx-Tx, Rx-Rx  Circular, dB

21

21

/

/

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

3.7 m

Antenna Type

Ring Focus

Mount Type

El. Over Az.

Surface Accuracy(RMS)

≤0.5 mm

Weight(Net)

631 kg

Antenna Pointing Range

Azimuth

Elevation

Polarization

 

±65°

0°~90°

±90°

Drive Mode

Manual or Motorized

Motor Drive System

Azimuth Travel Rate

Elevation Travel Rate

Polarization speed

 

0.11°/S   

0.17°/S   

1°/S


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

-50℃~50℃

Relative Humidity

100%

Surface treatment

Steel parts: thermal-spraying zinc 

Aluminum parts:spray paint

Solar Radiation

1135Kcal/h/m²

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