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GeoSat 11.3 Meter C-Band Earth Station Antenna

• Conform to CCIR 580 and INTELSAT Requirements
• High G/T, Excellent Sidelobe Performance
• Hot-dipped Galvanized Mount
• Switch for C Band Linear and Circular Polarization Feed
• Ring-focus Antenna, C Band

Code produit: GA113MCTXRX

ELECTRICAL SPECIFICATION

Item

Specification

 

C-Band

Receive

Transmit

 

Operation Frequency, GHz

3.4~4.2

5.85~6.725

Gain, Mid-band, dBi

51.9

55.2

Polarization

Linear/Circular

XPD (on Axis), dB

35

35

XPD (across 1dB Beam width), dB

33

33

 

Axial Ratio(Circular-Polarized), 2-port Feed 1.3

1.09

VSWR 1.25

1.25

Antenna Noise Temperature

 
10°Elevation

27°K

20°Elevation

20°K

 

40°Elevation

19°K

-3dB Beam width, Mid-band

0.4°

0.27°
Typical G/T(EL>10°)

31.7dB/°K(60°LNA)

TX. Power Capability, KW

5

Feed Interface

CPR-229G

PR-137G

Feed Insertion Loss

0.2

0.2

Isolation, TX to Rx,dB

90

First Side Iobe

-14

-14

90% Peaks under Following Envelop

29-25logθ(1°≤θ<20°)

29-25logθ(1°≤θ<20°)

MECHANICAL SPECIFICATION

Item

Specification

 

Antenna Diameter

11.3 m

 

Antenna Type

Cassegrain

 

Mount Type

El. Over AZ.

 

Surface Accuracy (RMS)

≤ 0.5mm

 

Antenna Pointing Range and speed

 

                           Azimuth

Standard type: +75°,+60° (Continuous), 0.05°/s   

Custom type: 0°~ 360° (Continuous), 0.05°/s

 

                           Elevation

3°~ 90° (Continuous), 0.05°/s

 

                           Polarization

360° (Continuous), 0.1°/s

 

Drive Mode

Manual or Motorized

ENVIRONMENTAL SPECIFICATION

Item

Specification

 

Operational Wind

72 km/h Gusting to 97 km/h

 

Survival Wind

216 km/h

Temperature

-40℃~+60℃

Relative Humidity

100%

Seismic (Survival) 0.3g(H), 0.15g(V)
Solar Radiation

1135Kcal/ h/ m2

Ice Loading

13mm Operational; 25mm Survival

 

Download the Specification in PDF Format

11.3 Meter C-Band Earth Station Antenna GA113MCTXRX Specsheet