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GD Satcom Model 16.4m Cassegrain Antenna

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  • Fully interchangeable reflector panels
  • Galvanized steel backup structure
  • Jack screws in azimuth and elevation
  • Survives 125 mph winds


SKU: SATRES-6359

Mechanical
Azimuth TravelUp to 360° (Six overlapping 85° sections)
Azimuth Travel Rate0.03°/second
Elevation Travel0°-90° continuous
Elevation Velocity0.03°/second
Weight - Reflector 40,000 lbs (18,180 kg)
Weight - Pedesta;37,500 lbs (17,050 kg)
Shipping Weight (Approximate)85,000 lbs (36,600 kg)
Shipping Volume7,000 cubic feet (200 cu. m.)
Reflector StructureSteel
Pedestal StructureSteel
Finishes

    Reflector Surface

    Backup Structure

    Pedestal Turning Head

    Pedestal Tube


Aluminum panels with heat-diffusing white paint

Hot-dip galvanized

Hot-dip galvanized

Painted white (galvanized options)
Surface Accuracy0.025 inch rms (0.6 mm) static
Foundation Size31.5' x 31.5' x 3.5' (9.6m x 9.6m x 1.0m)
Concrete Volume128.6 cubic yards (98.3 cu.m)
Reinforcing Steel14,575 lbs (6.620 kg)
Soil Bearing Pressure3,000 lb/ft2 (14,650 kg/m2)
Electrical

 
 
Frequency (GHz)

 
Antenna Gain at Midband
Antenna Noise Temperature
5° Elevation
10° Elevation
20° Elevation
40° Elevation
Typical G/T at 4,000 GHz
20° Elevation, Clear Horizon
35° K LNA
50° K LNA
Pattern Beamwidth at midband
-3 dB
-15 dB
Sidelobe Performance
First Sidelobe across the band
meets FCC 25.209
or ITU-RS-580 Specifications
Cross POL Isolation
on Axis
within 1 dB Beamwidth
VSWR
Feed Insertion or Ohmic Loss
Port to Port Isolation
Rx/Tx(Rx Freq)
Tx/Rx(Tx Freq)
Rx/Rx, Tx/Tx(Same Band)
Axial Ratio
Waveguide Interface Flange
Total Power Handling Capability
RF Specification
C-Band 4-Port

Circular Pol Feed
C-Band 4-Port

Linear Pol Feed
ReceiveTransmitReceiveTransmit
3.625-

4.200
5.850-

6.425
3.400-

4.200
5.850-

6.750
55.158.954.859.0
 
58° K  59° K 
49° K  51° K 
43° K  45° K 
49° K  51° K 
 
 
36.0dB/K 35.9dB/K 
35.2dB/K  35.2dB/K 
 
0.300.190.320.19
0.630.400.680.40
 
-15 ±2 dB-15 ±2 dB
 
 
 
30.7 dB30.7 dB35.0 dB35.0 dB
30.7 dB30.7 dB30.0 dB30.0 dB
1.25:11.25:11.30:11.30:1
0.35 dB0.30 dB0.40 dB0.40 dB
 
0 dB-30 dB0 dB-30 dB
-30 dB0 dB-30 dB0 dB
21 dB23 dB30 dB30 dB
0.50 dB0.50 dB 
CPR-229GCPR-159GCPR-229GCPR-159G
 10 kW CW 10 kW CW
975-1237975-1792

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