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3.7M EARTH STATION ANTENNA
| Usage : | Communication Antenna |
|---|
Product description
Performance Strength
- High quality aluminum reflector panels and galvanized steel backup structure.
- C, Ku, Ka, X band Available, meeting FCC and ITU-RS-580 requirements.
- Galvanized steel elevation over azimuth pedestal.
- Fixed foundation and Non penetrating foundation optional for wider choice.
- Survives 125 mph winds in any position.
Description
l Alignsat 3.7m antenna delivers exceptional high performance for transmit/ receive application in C, Ku, ka, X band in Tx/ Rx 2 port or Rx 2 port with high gain, low noise and low microwave interference.
l Alignsat 3.7m antenna offers a fine reflector design with a stretch formed double contoured panels, strong back struts and hub for ease of field alignment. The standard designed azimuth over elevation pedestal provides a cost-effective solution for ground or roof installation with high stiffness and stability, full orbital arc coverage and fine drive performance, and ensures the pointing and tracking accuracy.
l The electrical performance is compliant with FCC and ITU-RS-580 sidelobe specifications and Intelsat, Eutelsat, INMARSAT, ASIASAT, APT and CHINASAT, etc requirement.
Key features
l Meets or exceeds CCIR 580 and INTELSAT Requirements.
l High G/T, excellent pattern characteristic.
l CP/LP switchable feed.
l Hot dip zinc steel pedestal, hub & back struts.
l Galvanized stainless steel fasteners.
l Foundation hardware kit provided.
l Package suitable for air, ocean land transportation.
Antenna Accessory
l Limit Switches.
l Foundation hardware Kit.
l Grounding Kits Cable –Mounting kits.
l Cable mounting kits.
l ODU Support Kits.
l Factory Feed System Testing and Documentation.
l Ocean /Air/land Transport Packing.
Options
l L, S, C, X, Ku and DBS-band feed configurations.
l 800MHz bandwidth is available.
l Two or Four ports.
l Tx/Rx port in linear or circular polarized feeds motorization kits.
l Feed blower or deicing with automatic controls.
l Lightning Rod Kits.
l Non-penetrating mount.
l Integrated LNB or LNA systems.
l HPAs, converters and M&C systems.
l Turnkey installation & testing.
Technical Specifications
|
Electrical Specification |
|
Type |
AT37C |
AT37K |
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Operating Frequency, GHz |
C band |
Ku band |
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|
Receive |
Transmit |
Receive |
Transmit |
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|
3.625~4.2 |
5.85~6.425 |
10.95~12.75 |
13.75~14.5 |
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Gain, Mid-band, dBi |
41.7 |
45.6 |
51.4 |
52.7 |
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Polarization |
Linear /circular |
Linear |
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|
XPD(on Axis), dB |
35 |
35 |
35 |
35 |
|
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XPD across 1dB Beam Width, dB |
33 |
33 |
33 |
33 |
|
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Axial Ratio/2-PortFeed (Circular-Polarized) |
1.30 |
1.09 |
|
|
|
|
VSWR |
1.25 |
1.25 |
1.25 |
1.25 |
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Antenna Noise Temperature 2-port feed 10° Elevation 30° Elevation 50° Elevation |
35°K 29°K 25°K |
|
49°K 39°K 35°K |
|
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G/T ( El＞10°) |
24dB/°K ( 30°LNA ) |
|
30.6dB/°K ( 70°LNA ) |
|
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-3 dB Beam Width, Mid-band |
1.25° |
0.82° |
0.44° |
0.38° |
|
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Tx. Power Capability, KW |
|
5 |
|
2 |
|
|
Feed Interface |
CPR-229G |
CPR-137G |
WR-75 |
WR-75 |
|
|
Feed Insertion Loss, dB |
0.2 |
0.2 |
0.25 |
0.2 |
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Isolation, Tx to Rx, dB |
90 |
85 |
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First Side lobe 90% Peaks under Following Envelop |
-14 29-25logθ(1°≤θ＜20°) |
-14 29-25logθ(1°≤θ＜20°) |
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Mechanical Specification |
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Antenna Diameter |
3.7m |
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Antenna Type |
Ring Focus |
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Surface Accuracy(RMS) |
≤0.5mm |
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Antenna Pointing Range |
Azimuth Elevation Polarization |
0°~180° 0°~90° ±360° |
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Drive Mode |
Manual or Motorized |
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Motor Drive System |
Azimuth Travel Rate Elevation Travel Rate |
0.11°/S(0.03°/S) 0.17°/S(0.04°/S) |
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Antenna reflector Material |
Aluminum Alloy |
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Finish of steel parts |
Hot dipped Zinc |
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Environmental Specification |
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Operational Wind |
72km/h gusting to 97km/h |
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Survival Wind |
216km/h |
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Temperature |
-40°~+60° |
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Relative Humidity |
100% |
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Solar Radiation |
1135Kcal/h/m² |
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Seismic(Survival) |
0.3g(H), 0.15g(V) |
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Ice Loading |
13mm Operational; 25mm Survival |
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