ESA4500 Earth Station Antenna

ESA4500 Earth Station Antenna

It is widely and ideally used for Broadcasters, Service Providers, GSM operator, Satellite operator, Military and Government Agencies, Free Lands or Rescue Organizations.

Description

Sarpro 4.5 Meter ring focus antenna providing Tx/Rx 2-port feed 4.5m Ku band antenna only for linear polarization, it can deliver exceptionally high performance for transmit/receive applications.

 

Specification

Electrical Specification

Name

Specification

Operating Frequency

Rx:10.7~12.75GHz

Tx:13.75~14.5GHz

Gain

Rx:52.6@11.7GHz

Tx:54.1@14GHz

Polarization

Linear

XPD(on Axis)

35 dB

VSWR

1.30

Antenna Noise Temperature 2-port feed

 

55K(10° Elevation)

50K(30° Elevation)

48K(50° Elevation)

-3 dB Beam Width

Rx:0.38°        Tx:0.32°

Typical G/T(EL=10° 30K LNA)

31.4dB/K

Tx. Power Capability

1 KW

Feed Interface

Rx:WR75        Tx:WR75

Feed Insertion Loss

Rx:0.4 dB       Tx:0.2 dB

Isolation, Tx to Rx

85dB

First Sidelobe

-14dB


 

Mechanical Specification

Name

Specification

Antenna Diameter

4.5m

Antenna Type

Dual Reflector Modified Ring Focus

Main Reflector material

Aluminum

Surface Accuracy(RMS)

≤0.5mm

Antenna Pointing Range

Azimuth

Elevation

Polarization

±85°(11 sections)

0°~90°(Continuous)

180°(Continuous)

Motor Drive System

Azimuth Travel Rate

Elevation Travel Rate

0.02°/s

0.1°/s

Drive Mode

Manual or Motorized


 

Environmental Specification

Name

Specification

Operational Wind

72km/h gusting to 105km/h

Survival Wind

216km/h

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


 

Features

-->Ø Meets CCIR 580 and INTELSAT Requirements

-->Ø CP/LP switchable feed

-->Ø High RF performance

-->Ø Galvanized stainless steel hardware

-->Ø Different frequency ranges from many feed configurations

-->Ø Ka band antenna with rotary pedestal is available

-->Ø Antenna reflector be pre-assembly in works, special designed taper-pin easy installation and ensure on site assembly accuracy, no theodolite required.

-->Ø L,S,X bands and multi-bands

-->Ø 800MHz bandwidth is available

-->Ø full motion antenna

-->Ø Feed blower or deicing with automatic controls

 

Applications

It is widely and ideally used for Broadcasters, Service Providers, GSM operator, Satellite operator, Military and Government Agencies, Free Lands or Rescue Organizations.

 

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