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Earth Sation Antennas

2.4m Earth Station Antenna


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  • DESCRIPTION
  • TECHNICAL
  • SPECIFICATIONS

  The probecom 2.4-meter antenna delivers exceptional performance for transmit/receive and receive only applications for L through Ka-band frequencies. This antenna offers a reflector design that incorporates precision-formed panels, truss radials and hub assembly using matched tooling for interchangeable components. It features an innovative Cassegrain or Ring Focus feed and sub-reflector design which results in high gain, low noise temperature, high antenna efficiency and excellent rejection of noise and microwave interference. A large center hub provides spacious accommodation for equipment mounting. The reflector is supported by a galvanized elevation over azimuth kingpost pedestal that provides the required stiffness for pointing and tracking accuracy. The pedestals are designed for full orbital arc coverage and are readily adaptable to ground or rooftop installations.

Highlighted Features: 

*Meets CCIR 580 and INTELSAT Requirements

*Precisely adjusted before leaving factory, and no need theodolite to adjust the panel accuracy;

*High precision alloy aluminum main reflector.

*Hot spray galvanized with white paint

*CP/LP switchable feed

*High RF performance           

*Galvanized stainless steel hardware            

*Different frequency ranges from many feed configurations

*Ka band antenna with rotary pedestal is available

A large hub for install RF equipments

*Multi-layer anti-corrosion treatment.


Options                

*L,S, X ,Ka bands and multi-bands

*Customer feed system design

*800MHz Extended C band is available

*Full motion antenna

*Feed blower or deicing sub-systerm with automatic controls

*Two or four Tx/Rx port in linear or circular polarized feeds  

*Antenna control system with tracking

ODU Support Kits

*Increase the surface spray zinc thickness along seaside.


Antenna Accessory

*Motorization Kits

*Limit Switches

*Factory Feed System Testing and Documentation

*Ocean /Air Transport Packing

*Foundation Kit

*Grounding Kit Cable-Mounting Kit



Electrical Specification

Type

C24T

EC24T

IC24T

K24T

DBS24T

Operating Frequency, GHz

Standard C band

Extended C band

Insat C band

Ku Band

DBS Band

Receive

Transmit

Receive

Transmit

Receive

Transmit

Receive

Transmit

Receive

Transmit

3.625~4.2

5.85~6.425

3.4~4.2

5.85~6.725

4.5~4.8

6.725~7.025

10.70~12.75

13.75~14.5

10.70~12.75

17.3-18.4

Gain, Mid-band, dBi

38.0

41.9

37.7

42.1

39.5

42.9

47.7

49.1

47.7

51.2

Polarization

Linear/Circular

Linear/ Circular

Linear/ Circular

Linear

Linear

XPD(on Axis), dB( Linear)

35

35

35

35

35

35

35

35

35

35

XPD across 1dB Beam Width, dB( Linear)

30

30

30

30

30

30

30

30

30

30

Axis Ratio, dB (circular)

2

0.75

2

0.75

2

0.75

/

/

/

/

VSWR

1.30

1.30

1.30

1.30

1.30

1.30

1.30

1.30

1.30

1.30

Antenna Noise Temperature (2 Port Feed)

10° Elevation

30° Elevation

50° Elevation

 

32K

24K

20K

 

 

31K

23K

20K

 

 

33K

26K

23K

 

 

48K

38K

34K

 

 

48K

38K

34K

 

-3 dB Beam Width, Mid-band

 

 

 

 

 

 

 

 

 

 

Typical G/TEL=10°

19.8dB/K

(30KLNA)

 

19.5dB/K

(30K LNA)

 

21.2dB/K

(30K LNA)

 

26.7dB/K

(70K LNA)

 

26.7dB/K

(70K LNA)

 

Tx. Power Capability, KW

 

1

 

1

 

1

 

1

 

1

Feed Interface

CPR-229F

CPR-137F

CPR-229F

CPR-137F

CPR-229F

CPR-137F

WR-75

WR-75

WR-75

WR-62

Feed Insertion Loss,dB

0.3

0.25

0.3

0.25

0.3

0.25

0.3

0.25

0.3

0.25

 

Isolation, Tx to Rx, dB

 

 

85

 

 

85

 

 

85

 

 

85

 

 

85

 

Sidelobe

CCIR 580-5

Mechanical Specification

Antenna Diameter

2.4m

Antenna Type

Ring Focus

Surface AccuracyRMS

≤0.35mm

Reflector Construction

8 precision-formed aluminum panels with heat-diffusing white paint, Hot spray galvanized back structure.

Mount type

Kingpost pedestal

Antenna Pointing Range

Azimuth

Elevation

Polarization

0°~360°(Continuous)

0°~90°(Continuous)

±90°(Continuous)

Drive Mode

Manual/ Motorized

Motor Drive System

Azimuth Travel Rate

Elevation Travel Rate

Polarization  Travel Rate

0.03°/S

0.04°/S

1°/S

Environmental Specification

Operational Wind

72km/h gusting to 97km/h

Survival Wind

200km/h(at zenith)

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



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