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KVH 20米X波段卫星通信地球站天线
20米X通信卫星天线
20m X-Band ANTENNA

 


20m X-Band ANTENNA (OEM)

 

 

R.F Specifications

20M GREGORAIN

ANTENNA

With 4-PORT 2Tx/2Rx Circular Pol FEED

X-Band

Receive

Transmit

Frequency in GHz

7.25-7.75

7.9-8.4Ghz

Gain

61.7+

20lg[f(GHz)/7.5]

62.5 +

20lg[f(GHz)/8.25]

Antenna Noise Temp.

 

5°Elevation

74k with TRF

10°Elevation

65k with TRF

20°Elevation

58k with TRF

40°Elevation

54k with TRF

Sidelobe Pattern

First sidelobe level ≤-14dB Beyond first sidelobe

meet IESS(Intelsat) or CCIR 580

VSWR

1.25:1

Axial Ratio

1.09:1

1.09:1

3dB Beamwidth

0.14Deg

0.127Deg

Polarization

RHCP/LHCP

LHCP/RHCP

Feed Insertion or Ohmic

Loss

0.70 dB

0.70dB

Power Handling

Capability

1kw cw

Port to Port Isolation

 

Tx to Rx

³70dB(with TRF)

Rx to Rx

³20dB

Tx to Tx

³20dB

Feed Interfaces

WR112

WR112

R.F Specifications

16M Dual Shaped

Cassegrain Antenna With 4-PORT 2Tx/2Rx Circular Pol Feed

X-Band

Receive

Transmit

Frequency in GHz

7.25-7.75

7.9-8.4Ghz

Gain

59.7+

20lg[f(GHz)/7.5]

60.5 +

20lg[f(GHz)/8.25]

Antenna Noise Temp.

 

5°Elevation

74k with TRF

10°Elevation

65k with TRF

20°Elevation

58k with TRF

40°Elevation

54k with TRF

Sidelobe Pattern

sidelobe level ≤-14dB

meet IESS(Intelsat) or CCIR 580

VSWR

1.25:1

1.25:1

3dB Beamwidth

0.175Deg

0.159Deg

Axial Ratio

1.09:1

1.09:1

Feed Insertion or Ohmic

Loss

0.70dB

0.70dB

Power Handling

Capability

1kw

Port to Port Isolation

 

Tx to Rx

³70dB(with TRF)

Rx to Rx

³20dB

Tx to Tx

³20dB

Feed Interfaces

WR112

WR112


R.F Specifications

16M Dual Shaped

Cassegrain Antenna With 4-PORT 2Tx/2Rx Linear POL Feed

C-Band

Receive

Transmit

Frequency in GHz*

3.625-4.200

5.850-6.425

Gain

55+

20lg[f(GHz)/4]

58.2+

20lg[f(GHz)/6]

Antenna Noise Temp.

 

5°Elevation

48k with TRF

10°Elevation

36k with TRF

20°Elevation

29k with TRF

40°Elevation

24k with TRF

Sidelobe Pattern

sidelobe level ≤-14dB

Cross Pol. Discrimination

35dB (On axis) 30dB (within 1 dB Beamwidth)

VSWR

1.30:1(LP)

1.25:1(CP)

1.30:1(LP)

1.25:1 (CP)

3dB Beamwidth

0.30º

0.20º

Axial Ratio

1.06:1

1.06:1

Feed Insertion or Ohmic

Loss

0.30dB

0.30dB

Power Handling

Capability

5kw cw per port

Port to Port Isolation

 

Tx to Rx

³85dB(with TRF)

Rx to Rx

³30dB

Tx to Tx

³30dB

Feed Interfaces

CPR-229G

CPR-137G

R.F Specifications

16M Dual Shaped

Cassegrain Antenna With 4-PORT 2Tx/2Rx Linear POL Feed

Full C-Band

Receive

Transmit

Frequency in GHz

3.4 -4.200

5.850-6.65

Gain

54.8+

20lg[f(GHz)/4]

58.2+

20lg[f(GHz)/6]

Antenna Noise Temp.

 

5°Elevation

54k with TRF

10°Elevation

46k with TRF

20°Elevation

36k with TRF

40°Elevation

30k with TRF

Sidelobe Pattern

First sidelobe level ≤-14dB Wide sidelobes meets

IESS, Eutelsat and CCIR 580.

Cross Pol. Discrimination

35dB (On axis) 30dB (within 1 dB Beamwidth)

VSWR

1.30:1(LP)

1.25:1(CP)

1.30:1(LP)

1.25:1 (CP)

3dB Beamwidth

0.30º

0.20º

Axial Ratio

1.06:1

1.06:1

Feed Insertion or Ohmic

Loss

0.30dB

0.30dB

Power Handling

Capability

5kw cw per port

Port to Port Isolation

 

Tx to Rx

³85dB(with TRF)

Rx to Rx

³30dB

Tx to Tx

³20dB

Feed Interfaces

CPR-229G

CPR-137G


 

 

Antenna Specifications

Mechanical Specifications

Azimuth Travel

180°(in two overlapped 100°deg sectors)

Travel Rate for Az and El

0.1°/second

Elevation Travel

0°to 90°Continuous

Elevation Travel Rate

0.1°/second *

Tracking travel rate for Az and El

0.01°/second

Reflector

Steel

Pedestal Structure

Steel

Finish

Aluminium panels with high-diffusive white paint, steel part with Hot-Zinc Spray

Physical

Ambient Temperature

-40ºC to 60oC (survival) , -15ºC to 50oC (Operational)

Operational Wind

72km/h gusts to 97km/h

Survival Wind

200km/hm

Rain

up to 4 in/h(10cm/h), lasting 10 minutes

Relative Humidity

up to with condensation

Solar Radiation

1000 kcal/M2/h

Radial Ice (Survival)

25mm on all surface or 13mm on all surface with 130km/h wind gusts

Shock and Vibration

As encountered during shipment by commercial air, sea or truck

Corrosive atmosphere

As encountered in coastal regions and/or heavily industrialized areas

Seismic(Survival)

0.3G’s horizontal 0.1G’s vertical