1. Motorized and tracking available 2. Precision compression molded ring focus reflector 3. CP/LP switchable feed 4. Hot dip zinc steel pedestal, hub & back struts 5. Galvanized stainless steel fasteners 6. Strong structure and high wind resistance
China Starwin 3.7m Ka Band Antenna
General Description of 3.7m Ka band antenna
China Starwin 3.7m Ka band ring focus antenna is designed for Ka band transmit and receive operation.
● The precision aluminum reflector is constructed with stretch formed double coated 12 panels, strong back structures and hub, free of 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.
● Also supplied with limit switches, foundation hardware kit and required packing.
Key features
* Meets or exceeds CCIR 580 and INTELSAT Requirements
* Motorized and tracking available
* Precision compression molded ring focus reflector
* CP/LP switchable feed
* 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-370A | ||
Operating Frequency, GHz | KA-Band | ||
Receive | Transmit | ||
17.7～21.2 | 27.1～31 | ||
Gain, Mid-band, dBi | 57.34 | 61.3 | |
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 | 0.27° | 0.17° | |
Typical G/T | ≥32dB/K at 20°elevation | ||
Tx. Power Capability, KW | 1 | ||
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 | 3.7m | |
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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