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GeoSat de 1,8 Metros (17,7 - 21,2, El 27,5 - 31 GHz) de la Banda KA de la Tierra de la Antena de la Estación | Modelo GA18MKATXRX

  • Input Freq. - 17,7 - 21,2, 27,5 - 31 GHz
  • Interfaz de alimentación - WR-42, WR-28
Código: GA18MKATXRX
ELECTRICAL SPECIFICATION

Item

Specification

 

Ka-Band

Receive

Transmit

 

Operation Frequency, GHz 17.7~21.2

27.5~31

Gain, Mid-band, dBi 49.1

52.4

Polarization Linear/Circular

XPD (on Axis), dB 35

35

XPD (across 1dB Beam width), dB 33

33

 

Axial Ratio(Circular-Polarized), 2-port Feed 1.2

VSWR 1.3 1.3

Antenna Noise Temperature

5°Elevation 160°K

10°Elevation 130°K

 

20°Elevation 105°K

40°Elevation 92°K

-3dB Beam width, Mid-band 0.5°

0.32°

-10dB Beam width, Mid-band 1.09°

0.65°

TX. Power Capability, W 500

Feed Interface WR-42

WR-28

Feed Insertion Loss 0.6.

0.4

Isolation, TX to Rx,dB 90

First Side Iobe -14

-14

90% Peaks under Following Envelop 29-25logθ(1°≤θ<20°)

29-25logθ(1°≤θ<20°)

MECHANICAL SPECIFICATION

Item

Specification

 

Antenna Diameter 1.8

 

Antenna Type Ring-focus

 

Mount Type El. Over AZ.

 

Surface Accuracy (RMS) ≤ 0.35mm

 

Antenna Pointing Range and speed
 

                           Azimuth 0°~360°, ±10 °(Continuous)

 

                           Elevation 0°~ 90° (Continuous)

 

                           Polarization 360° (Continuous)

 

Drive Mode Manual or Motorized

ENVIRONMENTAL SPECIFICATION

Item

Specification

 

Operational Wind 72 km/h Gusting to 97 km/h

 

Survival Wind 216 km/h

Temperature -40℃~+60℃

Relative Humidity 100%

Seismic (Survival)

0.3g(H), 0.15g(V)
Solar Radiation 1135Kcal/ h/ m2

Ice Loading 13mm Operational; 25mm Survival

 

Download the Specification in PDF Format

1.8 Meter KA-Band Earth Station Antenna GA18MKATXRX Specsheet