1.8m Ka Band Antenna

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China Starwin 1.8m Ka Band Antenna

1.8m.jpg1.8m-1.jpg



General Description of 1.8m Ka band antenna

China Starwin 1.8m Ka band ring focus antenna is designed for Ka band transmit and receive operation.

 ?  The precision high quality aluminum reflector constructed with stretch formed double coated 4 panels, strong back structures and hub, no field alignment.

 ?  The standard designed azimuth over elevation king post pedestal provides a cost-effective solution for ground or roof installation with high stiffness and stability, wide Az&El moving range and fine drive performance, ensure the pointing and tracking accuracy.

 ?  Equipped with special designed wide Ka band feed assemblies.

 ? Also supply limit switches, foundation hardware kit and required packing.

 

Key features

* Meets or exceeds CCIR 580 and INTELSAT Requirements

* Precision compression molded ring focus antenna

* CP/LP feed available

* Hot dip zinc steel pedestal, hub & back struts

* Galvanized stainless steel fasteners          

* Strong structure and high wind resistance 

 

Options

* Motorization kits  

* Controller and tracking receiver

* 2 ports/ 4 ports linear/ circular polarized feeds  

* Feed blower or deicing with automatic controls

* Lightning Rod Kits

* Non-penetrating mount (NPM)

* Integrated LNB or LNA systems

* HPAs, converters and M&C systems

* Turnkey installation & testing

 

Electrical Specification

Type

KA-180A

Operating Frequency, GHz

KA-Band

Receive

Transmit

17.7~21.2

27.1~31

Gain, Mid-band, dBi

50.7

54.1

Polarization

LHCP/RHCP

XPD(on Axis), dB

35

35

XPD across 1dB Beam Width, dB

30

30

VSWR

1.25:1

1.25:1

Antenna Noise Temperature 2-port feed

10° Elevation

30° Elevation

50° Elevation

 


65K

55K

50K


-3 dB Beam Width, Mid-band

0.54°

0.36°

Typical G/T

=32dB/K at 20°elevation


Tx. Power Capability, KW


0.5

Feed Interface

WR-42

WR-34

Feed Insertion Loss, dB

=0.4

=0.3

Isolation, Tx to Rx, dB

85

First Sidelobe

90% Peaks under Following Envelop

-14

29-25lg? (1°=?=20°)

Mechanical Specification

Antenna Diameter

1.8m

Antenna Type

Ring Focus

Surface Accuracy(RMS)

=0.3 mm

Antenna Pointing Range

Azimuth

Elevation

Polarization

0°~360°

0°~90° (Continuous)

±90°(Continuous)

Drive Mode

Manual or Motorized

Motor Drive System

Azimuth Travel Rate

Elevation Travel Rate

0.11° /s ( 0.06° /s)

0.17° /s ( 0.08° /s°)

Environmental Specification

Operational Wind

79km/h gusting to 97km/h

Survival Wind

200km/h

Temperature

- 20°C ~+ 48°C

Relative Humidity

100%


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