China Starwin 1.8m Ka Band Antenna
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
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Type |
KA-180A |
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Operating Frequency, GHz |
KA-Band |
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Receive |
Transmit |
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|
17.7～21.2 |
27.1～31 |
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Gain, Mid-band, dBi |
50.7 |
54.1 |
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Polarization |
LHCP/RHCP |
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XPD(on Axis), dB |
35 |
35 |
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XPD across 1dB Beam Width, dB |
30 |
30 |
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VSWR |
1.25:1 |
1.25:1 |
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Antenna Noise Temperature 2-port feed 10° Elevation 30° Elevation 50° Elevation |
65K 55K 50K |
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-3 dB Beam Width, Mid-band |
0.54° |
0.36° |
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Typical G/T |
≥32dB/K at 20°elevation |
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Tx. Power Capability, KW |
0.5 |
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Feed Interface |
WR-42 |
WR-34 |
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Feed Insertion Loss, dB |
≤0.4 |
≤0.3 |
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Isolation, Tx to Rx, dB |
85 |
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First Sidelobe 90% Peaks under Following Envelop |
-14 29-25lgθ (1°≤θ≤20°) |
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Mechanical Specification
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Antenna Diameter |
1.8m |
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Antenna Type |
Ring Focus |
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Surface Accuracy(RMS) |
≤0.3 mm |
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Antenna Pointing Range |
Azimuth Elevation Polarization |
0°～360° 0°～90° (Continuous) ±90°(Continuous) |
|
Drive Mode |
Manual or Motorized |
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|
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 |
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Temperature |
- 20°C ～+ 48°C |
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Relative Humidity |
100% |