GS11.30M ESA spec.pdf
Key Features
* Meets or Exceeds CCIR 580 and INTELSAT Requirements
* High G/T, Excellent Pattern
* Characteristics
* 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
* Antenna Az 0-360deg 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 |
|
3.625～4.2 |
5.85～6.425 |
10.95～12.75 |
13.75～14.5 |
|
Gain, Mid-band, dBi |
51.90 |
55.2 |
62.5 |
63.6 |
|
Polarization |
Linear/ Circular |
Linear |
|
XPD (on Axis), dB |
35 |
35 |
35 |
35 |
|
XPD across 1dB Beam Width, dB |
33 |
33 |
33 |
33 |
|
Axial Ratio |
1.06 |
1.06 |
1.06 |
1.06 |
|
VSWR |
1.25 |
1.25 |
1.25 |
1.25 |
|
Antenna Noise Temperature
10° Elevation
20° Elevation
40° Elevation |
2/4 port feed
34°K
26°K
23°K |
|
2/4 port feed
57°K
47°K
43°K |
|
|
-3dB Beam Width, Mid-band |
0.44° |
0.29° |
0.14° |
0.12° |
|
Tx. Power Capability, KW |
|
5 |
|
2 |
|
Feed Interface |
CPR-229G |
CPR-137G |
WR-75 |
WR-75 |
|
Feed Insertion Loss，dB |
0.25 |
0.2 |
0.25 |
0.25 |
|
Isolation, Tx to Rx, dB |
85 |
85 |
|
Radiation Pattern:First Sidelobe |
≤-14,Meet ITU-RS.580-5 and other requirements |
Mechanical Specification
|
Antenna Diameter |
11.3m |
|
Antenna Type |
Cassegrain |
|
Antenna Pedestal Options |
Kingpost Pedestal/Rotation Pedestal |
|
Antenna Pointing Range
Azimuth
Elevation
Polarization |
0°～170°/ 0°～360°(Continuous)
0°～90°(Continuous)
±45° |
|
Finishes
Reflector Surface
Pedestal & Back Structure |
Aluminum panels with high-diffusing white paint
Hot-dip Galvanized |
|
Surface Accuracy (RMS) |
≤0.5mm |
Environmental Specification
|
Operational Wind |
72km/h Gusting to 97km/h |
|
Survival Wind |
216km/h |
|
Temperature |
-40°C ～ + 60°C |
|
Relative Humidity |
100% |
|
Rain |
100mm/h |
|
Snow |
30mm |
|
Ice |
No damage with ice as thick as 25mm |
|
Sand&Dust |
As in desert regions |
|
Salt&Fog |
As in coastal regions |
|
Solar Radiation |
1135Kcal/ h/ m2 |
|
Seismic (Survival) |
0.3g (H), 0.15g (V) |
