11M Ring Focus Rx/Tx Vast Antenna
11m Tx/Rx Antenna:
1:Conform to the CCIR580-4 standards and INTELSAT access requirements;
2:Ring Focus antenna;
3:High gain, Low sidelobe, high G/T value;
4:Hot-dip zinc processed Antenna mount, with strong corrosion resistant ability;
5:Optional C band with 870 MHZ bandwidth;
6:Optional 2 port and 4 port for linear polarization or circular polarization feed;
7:Automatic feed switching system for Linear and circular polarization;
Accessories:
Ground plot, foundation template, the anchor bolt;
Optional:
Deicer, outdoor unit support, electric equipment, antenna controller, antenna drive, tracking receiver, driving motor, limit switch, cable, connector, electric polarization, activity foundation, lightning rod and wire;
This model has been widely used in the military, civil air defence, public security, fire control, weather, SRTC,CNPC,CNOOC,CAAC,Sino Satellite,China Telecom,China Unicom ,China mobile,etc
ELECTRICAL SPECIFICATIONS
Type | NS-SEC-1100 | NS-SEC(Ku)-1100 | ||
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 | 51.77 | 55.35 | 61.53 | 62.32 |
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 |
34°K 26°K 23°K |
/ |
57°K 47°K 43°K |
/ |
Typical G/T ( El.＞10°) | 30.86 dB/°K （30°L N A ） | / | 37.97 dB/°K （70°L N A ） | / |
-3dB Beam width, Mid-Band | 0.424° | 0.28° | 0.137° | 0.126° |
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 | ≤0.25 |
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 | 11.0m |
Antenna Type | Ring Focus |
Mount Type | El. Over Az. |
Surface Accuracy（RMS） | ≤0.5 mm |
Weight（Net） | kg |
Antenna Pointing Range Azimuth Elevation Polarization |
±65° 0°～90° ±90° |
Drive Mode | Manual or Motorized |
Motor Drive System Azimuth Travel Rate Elevation Travel Rate Polarization speed |
0.11°/S (0.03/S) 0.17°/S (0.04/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℃～50℃ |
Relative Humidity | 100% |
Surface treatment | Steel parts： thermal-spraying zinc Aluminum parts：spray paint |
Solar Radiation | 1135Kcal/h/m² |