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General Dynamics SATCOM Technologies 3180 1.8M Ka-Band Antenna

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  • Linear or Circular Polarization
  • Prime focus, offset feed
  • Glass fiber reinforced polyester SMC


SKU: SATRES-24458

Electrical (Ka-Band Circular(A))
Antenna Size 1.8M
Operating Frequency (GHz)

    Receive

    Transmit


20.2 - 21.2 GHz

30 - 31 GHz
Midband Gain (±.5dB)

    Receive

    Transmit


49.4 dBi

52.6 dBi
VSWR 1.25:1 max
Pattern Beamwidth (in degrees at midband)

    Receive

      -3 dB

      -15 dB

    Transmit

      -3 dB

      -15 dB


 

0.56°

1.26°

 

0.38°

0.86°
Sidelobe Performance Mainbeam

    <θ<7°

    7°<θ<9.2°

    9.2°<θ<48°

    48°<θ<180°


29 - 25 Log θ dBi

+8 dBi

32 - 35 Log θ dBi

-10 dBi
Antenna Noise Temperature

    5° Elevation

    10° Elevation

    20° Elevation

    40° Elevation



162 K

131 K

108 K

94 K
Power Handling 100 W
Cross Polarization Isolation

    On Axis

    Within 1.0 dB Beamwidth


24.8 dB

24.8 dB
Mechanical Performance
Reflector Material Glass Fiber Reinforced Polyester SMC, Ka-Band Formulation
Antenna Optics Prime Focus, Offset Feed
Mast Pipe Size 5" SCH 40 Pipe (5.56" OD) 14.1cm.
Azimuth Adjustment Range 360° Continuous Coarse Adjust, ±15° Fine Adjustment
Elevation Adjustment Range 5° - 90° Continuous Fine Adjust
Shipping Specifications

    Approximate Net Weight

    Approximate Packaged Weight


245 pounds (111 kg)

295 pounds (134 kg)
Environmental Performance
Wind Loading

    Operational

    Survival


50 mph (80 km/h)

125 mph (201 km/h)
Temperature Range (operational) -40° to 140° F (-40° to 60° C)
Rain (operational)1/2" / hr
Atmospheric Conditions Salt, Pollutants and Contaminants as Encountered in Coastal Industrial Areas
Solar Radiation 360 BTU/h/ft²

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