GS4.5M Rx antenna spec.pdf
Key Features
* Meets CCIR 580-5 and INTELSAT Requirements
* High G/T, Excellent Pattern Characteristics
* Hot-dipped Galvanized Steel Ground Mount Assembly
* Stretch Formed Aluminum Reflector with High Precision.
* C-band/ku-band/ka-band/S-band/L-band frequency
* High Erosion Resistance
* Foundation Hardware Kit included
* Ocean or Air Transport Packing
* Excellent in Stability
* Survives 125 mph Winds
Antenna accessories
* Motorized kits
* Single/Dual Polarization as option
* Linear Polarization or Circular Polarization to C band
* Factory Feed System Testing and Documentation
* Grounding kit
* Lightening Rod Kit
* Cable-Mounting Kit
* Major Subsystem Spare Part Kits
* Anti-icing and Deicing
ELECTRICAL SPECIFICATION
|
ANTENNA |
C-BAND |
Ku-BAND |
|
Frequency |
3.4-4.2GHz |
10.95-12.75 GHz |
|
VSWR |
1.3:1 |
|
Insertion Loss |
0.25dB |
0.3dB |
|
Isolation |
35dB |
|
Feed Interface |
WR229 |
WR75 |
|
|
|
|
3dB Beamwidth |
1.137° |
0.381° |
|
Sidelobe Level |
D/λ≤100 52-10lg(D/λ)-25lgθ 100λ/D≤θ≤48°
10-10lg(D/λ) θ＞48°
D/λ≥150 29-25 lgθ 1°≤θ≤20°
32-25lgθ 20°＜θ≤48°
-10 θ＞48° |
|
First Sidelobe |
≤-14dB |
≤-14dB |
|
Gain |
43.19dB（F=3.8 GHz） |
52.69dB（F=11.8 GHz） |
|
Noise Temperature |
35°K@10° |
52°K@10° |
|
|
Mechanical Specification |
|
Antenna Optics |
Feed-backward antenna |
|
Elevation Adjustment |
0°to 90°Continuous Fine Adjustment |
|
Azimuth Adjustment |
manual 0°to 360°Continuous Fine Adjustment
motorization ±85° Continuous Adjustment（Into three sections） |
|
|
Environmental Specification |
|
Wind Loading |
45mph 72kmph operational（Maintain Precision）
60mph 97kmph operational（Decrease Precision）
125mph 200kmph Survival（Fixed Heavenward） |
|
Temperature |
-45°～50℃ |
|
Relative Humidity |
0%～100% |
|
Seismic（survival） |
0.3G's horizontal 0.15 G's vertical |
