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GeoSat 4.5 Meter C-Band (5.85~6.725, 3.4~4.2 GHz) Earth Station Antenna
GA45MCTXRX
New
• Conform to CCIR 580 and INTELSAT Requirements
• High G/T, Excellent Sidelobe Performance
• Hot-dipped Galvanized Mount
• Switch for C Band Linear and Circular Polarization Feed
• Ring-focus Antenna, C Band
Specifications:
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ELECTRICAL SPECIFICATION |
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Item |
Specification |
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C-Band |
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Receive |
Transmit |
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Operation Frequency, GHz |
3.4~4.2 |
5.85~6.725 |
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| Gain, Mid-band, dBi |
44 |
47.3 |
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| Polarization |
Linear/Circular |
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| XPD (on Axis), dB |
35 |
35 |
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| XPD (across 1dB Beam width), dB |
33 |
33 |
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Axial Ratio(Circular-Polarized), 2-port Feed | 1.3 |
1.09 |
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| VSWR | 1.25 |
1.25 |
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Antenna Noise Temperature |
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| 10°Elevation |
34°K |
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| 20°Elevation |
24°K |
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40°Elevation |
21°K |
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| -3dB Beam width, Mid-band |
1.12° |
0.72° | ||
| Typical G/T(EL>10°) |
25.9dB/°K(30°LNA) |
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| TX. Power Capability, KW |
5 |
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| Feed Interface |
CPR-229G |
PR-137G |
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| Feed Insertion Loss |
0.2 |
0.2 |
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| Isolation, TX to Rx,dB |
90 |
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| First Side Iobe |
-14 |
-14 |
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| 90% Peaks under Following Envelop |
29-25logθ(1°≤θ<20°) |
29-25logθ(1°≤θ<20°) |
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MECHANICAL SPECIFICATION |
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Item |
Specification |
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Antenna Diameter |
4.5 m |
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Antenna Type |
Ring Focus |
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Mount Type |
El. Over AZ. |
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Surface Accuracy (RMS) |
≤ 0.5mm |
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Antenna Pointing Range and speed | |
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Azimuth |
Standard type: +75°,+60° (Continuous), 0.05°/s |
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Elevation |
3°~ 90° (Continuous), 0.05°/s |
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Polarization |
360° (Continuous), 0.1°/s |
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Drive Mode |
Manual or Motorized |
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ENVIRONMENTAL SPECIFICATION |
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Item |
Specification |
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Operational Wind |
72 km/h Gusting to 97 km/h |
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Survival Wind |
216 km/h |
| Temperature |
-40℃~+60℃ |
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| Relative Humidity |
100% |
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| Seismic (Survival) | 0.3g(H), 0.15g(V) | |
| Solar Radiation |
1135Kcal/ h/ m2 |
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| Ice Loading |
13mm Operational; 25mm Survival |
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Download the Specification in PDF Format |
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4.5 Meter C-Band Earth Station Antenna GA45MCTXRX Specsheet |
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