Characteristics:
Conform to the CCIR580-4 standards and INTELSAT access requirements;
Ring focus antenna;
High gain, Low sidelobe, high G/T value;
Hot-dip zinc processed Antenna mount, with strong corrosion resistant ability;
Optional C band with 870 MHZ bandwidth;
2-ports or 4 ports Linear/Circular feed optional;
ELECTRICAL SPECIFICATIONS
Type | NS-SEC-730 | NS-SEC(Ku)-730 | ||
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 | 48.0 | 51.6 | 57.5 | 58.9 |
Polarization | Linear or Circular | Linear | ||
XPD(on axis),dB | 35 | 35 | 35 | 35 |
Axial Ratio(2 port) | 1.30 | 1.09 | / | / |
Axial Ratio(4 port) | 1.06 | 1.06 | / | / |
VSWR | 1.25:1 | 1.25:1 | 1.25:1 | 1.25:1 |
Antenna Noise Temperature 10°Elevation 30°Elevation 50°Elevation |
43°K 32°K 29°K |
/ |
66°K 52°K 47°K |
/ |
Typical G/T ( El.>10°) | 29.3 dB/°K (30°L N A ) | / | 36.1 dB/°K (70°L N A ) | / |
-3dB Beam width, Mid-Band | 0.72° | 0.47° | 0.23° | 0.2° |
Tx. Power Capability, KW | / | 5 | / | 2 |
Feed interface | CPR-229G | CPR-137G | WR-75 | WR-75 |
Feed Insertion Loss, dB | ≤0.2 | ≤0.2 | ≤0.2 | ≤0.25 |
Rx-Rx, Tx-Tx Linear, dB | 30 | 30 | 30 | 30 |
Tx-Tx, Rx-Rx Circular, dB | 21 | 21 | / | / |
Isolation, Tx to Rx, dB | 90 | 85 | ||
First Sidelobe,dB 90% Peaks under Following envelop,dBi | -14 29 - 25 logθ(1°≤θ<20°) | -14 29 - 25 logθ(1°≤θ<20°) | ||
MECHANICAL SPECIFICATIONS
Antenna Diameter | 7.3m |
Antenna Type | Ring Focus |
Mount Type | El. Over Az. |
Surface Accuracy(RMS) | ≤0.5 mm |
Weight(Net) | 5209 kg |
Antenna Pointing Range(Continuous) Azimuth Elevation Polarization |
±90°(Continuous) 0°~90°(Continuous) ±90°(Continuous) |
Drive Mode | Manual or Motorized |
Motor Drive System Azimuth Travel Rate Elevation Travel Rate Polarization speed |
0.1°/S (0.02/S) 0.1°/S (0.02/S) 1°/S |
ENVIRONMENTAL SPECIFICATIONS
Wind speed of work | 72kmph work wind speed(Hold the precision ) 97kmph work wind speed(Lower the precision ) 200kmph Survival Winds(Upturned lock) |
Ice Load, Survival | 13mm Wrapped ice normal work 25mm Wrapped ice survival |
Temperature | -30°C~50°C |
Relative Humidity | 100% |
Surface treatment | Steel parts: thermal-spraying zinc Aluminum parts:spray paint |
Solar Radiation | 1135Kcal/h/m2 |
