Model 0.96m Quick Deploy Motorized Auto-Acquire Antenna

GD Satcom

Model 0.96m Quick Deploy Motorized Auto-Acquire Antenna

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  • Carbon fiber reinforced polymer (CFRP) reflector
  • Captive hardware/fasteners
  • No tools required for assembly or deployment
  • Superior cross-pol performance
  • Extremely low loss RF component mounting
  • Internal GPS receiver

  • Description
  • Technical Specifications
  • Support Documents

Overview

The ultra-lightweight General Dynamics SATCOM Technologies 0.96-meter Quick Deploy Motorized AutoAcquire (QDMA) Antenna is designed for worldwide transmit and receive operation in Ku, Ka and X-band. This portable antenna consists of a segmented composite reflector and motorized positioner mount. This configuration results in an extremely low-weight and packable antenna product with superior stiffness and high performance under wind loading conditions.

The unique optical shape and accurate reflector surface provide good sidelobe and excellent cross-polarization performance. Repeatability is maintained with precision registration of the nine-piece reflector segments and RF components. The antenna can be quickly assembled by one person in less than ten minutes. The auto-acquire controller can find the correct satellite and optimize co-pol and crosspol performance with the push of a button. The antenna controller can be configured as a multi-functional device combining several options such as external GUI, monitor and control, spectrum analyzer and tracking.

The 0.96m QDMA antenna system, including a Stepped Ring Focus (SRF) feed, is packaged in one or two transit cases (depending on options ordered). The transit cases, designed to be checked as airline baggage, feature wheels and suitcase handles to ease relocation by one person.

Details

  • Carbon fiber reinforced polymer (CFRP) reflector
  • Captive hardware/fasteners
  • No tools required for assembly or deployment
  • Superior cross-pol performance
  • Extremely low loss RF component mounting
  • Auto deploy, auto calibrate, auto stow controller with DVB-aided acquisition
  • Internal GPS receiver

Electrical
Ku-Band 2-Port Linear Polarized
Frequency (GHz)
  Receive
  Transmit
  
10.700 - 12.750
13.750 - 14.500
Antenna Gain at Midband, dBi
  Receive
  Transmit
  
39.20
41.20
Sidelobe Compliant with FCC requirements*
Return Loss
  Receive
  Transmit
  
15.9 dB
15.9 dB
Antenna Noise Temp 5° Elevation 85 K
Antenna Noise Temp 10° Elevation 75 K
Antenna Noise Temp 20° Elevation 68 K
Antenna Noise Temp 40° Elevation 63 K
Cross Polarization Isolation on Axis
  Receive
  Transmit
  
35.0 dB
35.0 dB
Cross Polarization Isolation within 1.0 dB Beamwidth
  Receive
  Transmit
  
35.0 dB
35.0 dB
Pattern Beamwidth (in degrees at midband) -3 dB
  Receive
  Transmit
  
1.80
1.49
Pattern Beamwidth (in degrees at midband) -15 dB
  Receive
  Transmit
  
3.78
3.13
Power Handling 100 W CW
Output Waveguide Flange Interface
  Receive
  Transmit
  
WR-75 Flat
WR-75 Flat
RF Specification 975-3792
Ka-Band 2-Port Circular Polarized
Frequency (GHz)
  Receive
  Transmit
  
20.200 - 21.200
30.000 - 31.000
Antenna Gain at Midband, dBi
  Receive
  Transmit
  
43.10
45.10
Sidelobe Compliant with FCC requirements*
Return Loss
  Receive
  Transmit
  
17.7 dB
17.7 dB
Antenna Noise Temp 5° Elevation 192 K
Antenna Noise Temp 10° Elevation 149 K
Antenna Noise Temp 20° Elevation 117 K
Antenna Noise Temp 40° Elevation 96 K
Cross Polarization Isolation on Axis
  Receive
  Transmit
  
24.8 dB
24.8 dB
Cross Polarization Isolation within 1.0 dB Beamwidth
  Receive
  Transmit
  
24.8 dB
24.8 dB
Pattern Beamwidth (in degrees at midband) -3 dB
  Receive
  Transmit
  
1.10
0.88
Pattern Beamwidth (in degrees at midband) -15 dB
  Receive
  Transmit
  
2.31
1.85
Power Handling 100 W CW
Output Waveguide Flange Interface
  Receive
  Transmit
  
WR-42 Flat
WR-28 Flat
RF Specification 975-3836
X-Band 2-Port Circular Polarized
Frequency (GHz)
  Receive
  Transmit
  
7.250 - 7.750
7.900 - 8.400
Antenna Gain at Midband, dBi
  Receive
  Transmit
  
34.50
35.00
Sidelobe Compliant with FCC requirements*
Return Loss
  Receive
  Transmit
  
17.7 dB
17.7 dB
Antenna Noise Temp 5° Elevation 89 K
Antenna Noise Temp 10° Elevation 74 K
Antenna Noise Temp 20° Elevation 69 K
Antenna Noise Temp 40° Elevation 67 K
Cross Polarization Isolation on Axis
  Receive
  Transmit
  
23.2 dB
18.8 dB
Cross Polarization Isolation within 1.0 dB Beamwidth
  Receive
  Transmit
  
23.2 dB
18.8 dB
Pattern Beamwidth (in degrees at midband) -3 dB
  Receive
  Transmit
  
3.06
2.84
Pattern Beamwidth (in degrees at midband) -15 dB
  Receive
  Transmit
  
6.43
5.96
Power Handling 500 W CW
Output Waveguide Flange Interface
  Receive
  Transmit
  
WR-112 Flat
WR-112 Flat
RF Specification 975-2468
Mechanical
Reflector Material Nine-piece carbon fiber composite
Antenna Optics Axis-symmetric stepped ring focus
Azimuth Travel ±120°
Elevation Travel -1° to 91° (5° to 85° operational)
Polarization Travel ±90°
Pedestal Structure Cable-driven elevation-over-azimuth aluminum construction
Shipping Configuration Two rugged airline checkable cases
Shipping Weight 30 in. x 20 in. x 11.5 in. at 65 lbs. each
Auto Acquisition Control System
System Interface Independent embedded outdoor controller supporting one button acquisition. Optional laptop user interface via Ethernet for advanced antenna control. Multiple controller configuration options available.
Power 115/230 VAC, 50/60 Hz
Environmental
Wind Loading
Operational (anchored) 30 mph (48 km/h) gusting to 45 mph (72 km/h)
Survival (with tie-downs) 50 mph (80 km/h) any position, 80 mph (129 km/h) in stow position with reflector removed
  
Pointing Loss (operational winds) 2 dB peak Rx loss at Ku-band
Temperature - Antenna and Control System
Operational -22° to +140° F (-30° to +60° C)
Survival (packed) -40° to +160° F (-40° to +71° C)
  
Solar Radiation 360 BTU/h/ft2 (1000 Kcal/h/m2)
Relative Humidity - Antenna and Control System 100% (outdoor duty)
Shock and vibration tolerant to conditions encountered during shipment by airplane, ship or truck. Atmospheric tolerant to conditions encountered in coastal regions and/ or heavily industrialized areas.
* Per 25.220 (c)(1) with maximum input power density of -15.3 dBW / 4 kHz

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