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7.3M C/Ku band Earth Station Antenna
Author:admin  / Times:1/1/2008 
 

7.3M Earth Station Antenna

ANTENNA FEATURES
Meets or Exceeds CCIR 580-4 and INTELSAT Requirements
Ring Focus
High G/T, Excellent Pattern Characteristics
Hot-dipped Galvanized Steel Ground Mount Assembly
C-band Antenna Operating in 870MHz Bandwidth (Option)
2-port, 3-port or 4-port Linear/Circular Feed
Field Changeable Feed System, Switchable Circular to Linear C-band
Antenna Az. 0°~360° (Continuous)Pointing Ranges

ANTENNA ACCESSORIES
Motorization Kits
Limit Switches
Steptrack
ODU Support Kits
Factory Feed System Testing and Documentation
Ocean Transport Packing
Foundation Kit
Lightening Rod Kit
Grounding Kit
Cable-Mounting Kit
Major Subsystem Spare Part Kits
Anti-icing and Deicing

Type

SXE-730C

SXE-730Ku

Operation 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

47.59

51.63

57.6

58.53

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

20° Elevation

40° Elevation

 

 

34°K

27°K

24°K

 

 

 

57°K

47°K

43°K

 

-3dB Beamwidth, Mid-band

0.685°

0.43°

0.216°

0.194°

-15dB Beamwidth

1.73°

0.86°

0.432°

0.389°

Typical G/T (EL>10°)

29.3dB/°K

(30° LNA)

 

36.1dB/°K

(70° LNA)

 

Feed Insertion Loss

0.25

0.2

0.25

0.25

TX. Power Capability, KW

 

5

 

1

Feed Interface

CPR-229G

CPR-137G

WR-75

WR-75

Isolation, Tx to Rx, dB

Rx/Rx, Tx/Tx Linear, dB

Rx/Rx, Tx/Tx Circular, dB

85

30

22

85

30

22

Side lobes

CCIR 580-4

MECHANICAL SPECIFICATION

Antenna Diameter

7.3m

Antenna Type

Ring Focus

Mount Type

EL. over AZ.

Surface Accuracy (RMS)

≤0.5mm

Antenna Pointing Range

Azimuth

Elevation

Polarization

±85°

0°~ 90° (Continuous)

±90° (Continuous)

Motor Drive System

Azimuth Travel Rate Elevation Travel Rate

Polarization

0.1°/S (0.02°/S)

0.1°/S (0.02°/S)

1.0°/S

Drive Mode

Manual or Motorized

ENVIRONMENTAL SPECIFICATION

 

Operational Wind

72 km/h Gusting to 97 km/h

Survival Wind

200 km/h

Temperature

-40~+60

Relative Humidity

100%

Solar Radiation

1135Kcal/h/

Seismic (Survival)

0.3g (H), 0.15g (V)

Ice Loading

13mm Operational; 25mm Survival

 

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