Broadcast Contribution

3.7m Ku Earth Station Antenna

The 3.7 Meter Ku Earth Station Antenna provides high gain and exceptional characteristics. Our Earth Station Antenna (ESA) systems are available for a wide range of applications in broadcasting and telecommunication. This ESA provides our clients supreme flexibility and electrical performance, cost-effective and reliable packages. All panels are pre-mounted on frames for easy installation.

The antenna can be configured according to your wishes with the choice of linearly- or circularly – polarized 2- or 4- port combining networks. As your satellite communication requirements develop, adaptability is provided at the moment of purchase as well as in the future.

3.7m Ku Earth Station Antenna

 

Key Features

  • Self-aligning main reflector – no optical field alignment
  • 5 years warranty on all structural components

 

Available Options

  • 4 – port configuration
  • Motorization
  • Reflector and feed de-icing systems
  • Non – penetrating mount

 

Specifications

Electrical

Type ANT 370 Ku-2
Band Ku-Band
  Receive Transmit
Operating frequency, GHz 10.95 ~ 12.75 13.75 ~ 14.5
Gain, Mid-band, dBi 51.4 52.7
Polarization Linear
XPD (on Axis), dB 35 35
XPD across 1 dB Beam Width, dB 35 35
Axial Ratio (Circular-Polarized)    
VSWR 1.25 1.25
Antenna Noise Temperature
10° Elevation
30° Elevation
50° Elevation
 
49K
39K
35K
 
-3dB Team Width, Mid-band 0.44° 0.38°
Typical G/T (El>10°) 30.6dB/K (70°LNA)  
Tx. Power Capability, kW   2
Feed Interface WR-75 WR-75
Feed Insertion Loss 0.25 0.2
Isolation, Tx to Rx, dB 85
First Sidelobe -14
90% Peaks under Following Envelop 29 – 25 logΘ (1°≤ Θ < 20°)

 

 

Mechanical

Antenna Diameter 3.7m
Antenna Type Ring Focus
Mount Type El. over Az.
Surface Accuracy (RMS) ≤ 0.5 mm
Antenna Pointing Range
Azimuth
Elevation
Polarization
 
±90°, ±60° (Continuous)
0° ~ 90° (Continuous)
180° (Continuous)
Drive Mode Manual or Motorized
Motor Drive System
Azimuth Travel Rate
Elevation Travel Rate
Polarization
 
0.3°/s
0.2°/s
1°/s

 

 

Environmental

Operational Wind 72 km/h Gusting to 97 km/h
Survival Wind 216 km/h
Temperature -40° ~ 65°C
Relative Humidity 100%
Solar Radiation 1135Kcal/h/m²
Seismic (Survival) 0.3g (H), 0.15g (V)
Ice Loading 13 mm Operational; 25 mm Survival