Alignsat 1.8m Ka Band Antenna

Item No.: Ka03
Alignsat 1.8m Ka band antenna is a high performance antenna designed for Ka-band satellite communications. The antenna is a rugged, commercial quality product suitable for the most demanding applications.
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Description


Description
Alignsat 1.8m Ka band antenna is a high performance antenna designed for Ka-band satellite communications, the antenna includes Feed Horn, Polarizer, OMT and Filter. The antenna is a rugged, commercial quality product suitable for the most demanding applications.

Features
  • 4- pieces precision reflector
  • Precision Az/El Mount, Hot-Dip Galvanized.
  • Ring Focus antenna
  • Linear or Circular Polarization

 
Electrical Specification
Type AST-1.8Ka
Electrical Ka-Band Circular Ka-Band Circular Ka-Band Linear
Operating Frequency (GHz)
Receive
Transmit
20.20 - 21.20 GHz
30.00 - 31.00 GHz
19.40 - 21.20 GHz
29.20 - 31.00 GHz
18.70 - 21.20 GHz 27.00 - 31.00 GHz
Midband Gain ( +/- .5 dB)
Receive
Transmit
 
49.60 dBi
52.90 dBi
 
49.40 dBi
52.70 dBi
 
49.50 dBi
52.60 dBi
VSWR 1.3:1 max 1.3:1 max 1.5:1 max
Beamwidth(-3 dB ) Rx: 0.56° Tx: 0.38° Rx: 0.57° Tx: 0.39° Rx: 0.58° Tx: 0.40°
Antenna Noise Temperature
10° Elevation
20° Elevation
40° Elevation
 
131 K
108 K
94 K
 
131 K
108 K
94 K
 
134 K
111 K
97 K
Power Handling 100 W 100 W 100 W
Cross Polarization Isolation
On Axis
Within 1.0 dB Beamwidth
 
26dB
25dB
 
26dB
25dB
 
35 dB
33 dB
Output Waveguide Interface Flange Rx: WR42 Tx: WR28 Rx: WR42 Tx: WR28 Rx: WR42 Tx: WR28
First Side lobe90%
Peaks under Following Envelop
-14
29-25logθ(1°≤θ<20°)
Mechanical Specification
Antenna Diameter 1.8m
Antenna Type Ring Focus
Surface Accuracy(RMS) ≤0.3mm
Antenna Pointing Range Azimuth
Elevation
Polarization
0°~360°,±10°(Continuous)
0°~90°(Continuous)
±360°(Continuous)
Drive Mode Manual or Motorized
Antenna reflector Material Aluminum Alloy
Finish of steel parts Hot dipped Zinc
Environmental Specification
Operational Wind 72km/h gusting to 97km/h
Survival Wind 216km/h
Temperature -40°~+60°
Relative Humidity 100%
Solar Radiation 1135Kcal/h/m²
Seismic(Survival) 0.3g(H), 0.15g(V)
Ice Loading 13mm Operational; 25mm Survival