GS3.7M VSAT spec.pdf
Key Features
*Meets or Exceeds CCIR 580 and INTELSAT Requirements
* Ring Focus
* High G/T, Excellent Pattern Characteristics
* Hot-dipped Galvanized Steel Ground Mount Assembly
* C-band Antenna Operating in 800MHz Bandwidth Option
* 2-port, 3-port or 4-port Linear/Circular Feed
* Field Changeable Feed System, Switchable Circular to Linear C-band
* High Wind(290km/h)
* Antenna Az 0°-360° degree continuous Pointing Range
Antenna Accessories
* Motorization Kits
* 50 Satellite Positions Preset
* Limit Switches
* Steptrack
* ODU Support Kits
* Factory Feed System Testing and Documentation
* Ocean Transport Packing
* Foundation Kit
* Lightening Rod Kit
* Grounding Kit
* Cable-Mounting Kit
* Major Subsystem Spare Part Kits
* Anti-icing and Deicing
ELECTRICAL SPECIFICATION
Operating Frequency, GHz |
C-Band |
Ku-Band |
|
Receive |
Transmit |
Receive |
Transmit |
|
3.4～4.2 |
5.85～6.725 |
10.95～12.75 |
13.75～14.5 |
|
Gain, Mid-band, dBi |
42.2 |
45.4 |
51.4 |
52.7 |
|
Polarization |
Linear/ Circular |
Linear |
|
XPD (on Axis), dB |
35 |
35 |
35 |
35 |
|
XPD (across 1dB Beam Width), dB |
33 |
33 |
33 |
33 |
|
Axial Ratio (Circular-Polarized)
2-Port Feed
4-Port Feed |
1.30
1.06 |
1.09
1.06 |
|
|
|
VSWR |
1.25 |
1.25 |
1.25 |
1.25 |
|
Antenna Noise Temperature
10° Elevation
30° Elevation
50° Elevation |
2 port feed
35°K
29°K
25°K |
|
2 port feed
49°K
39°K
35°K |
|
|
-3dB Beam Width, Mid-band |
1.25° |
0.82° |
0.44° |
0.38° |
|
Typical G/T ( El＞10° ) |
24dB/°K
( 30° LNA ) |
|
30.6dB/°K
( 70° LNA ) |
|
|
Tx. Power Capability, KW |
|
5 |
|
2 |
|
Feed Interface |
CPR-229G |
CPR-137G |
WR-75 |
WR-75 |
|
Isolation, Tx to Rx, dB |
90 |
85 |
|
First Sidelobe
90% Peaks under Following Envelop |
-14
29-25logθ(1°≤θ＜20° ) |
-14
29-25logθ (1°≤θ＜20° ) |
Mechanical Specification
|
Antenna Diameter |
3.7 m |
|
Antenna Type |
Ring Focus |
|
Mount Type |
El. over Az. |
|
Surface Accuracy (RMS) |
≤ 0.5mm |
|
Antenna Pointing Range
Azimuth
Elevation
Polarization |
±90 °, ±60°(Continuous)
0°～90°(Continuous)
180°(Continuous) |
|
Drive Mode |
Manual or Motorized |
|
Motor Drive System
Azimuth Travel Rate
Elevation Travel Rate
Polarization |
0.30 °/S (0.06 °/S)
0.20 °/S (0.04 °/S)
1°/S |
Environmental Specification
|
Operational Wind |
72km/h Gusting to 97km/h |
|
Survival Wind |
216km/h |
|
Temperature |
-40°C ～ + 60°C |
|
Relative Humidity |
100% |
|
Solar Radiation |
1135Kcal/ h/ m2 |
|
Seismic (Survival) |
0.3g (H), 0.15g (V) |
|
Ice Loading |
13mm Operational; 25mm Survival |
