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
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 29-25lgθ (1°≤θ≤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% |