Model 9.0m Cassegrain Antenna

GD Satcom

Model 9.0m Cassegrain Antenna

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  • L, S, C, X, Ku, DBS and Ka-band feed configurations
  • C/Ku receive-only feed systems
  • CP/LP manual or remote switchable feeds
  • Specialized feed systems (e.g. extended, multi-band)
  • Antenna control system with tracking
  • Reflector and feed deicing systems

  • Description
  • Technical Specifications
  • Support Documents

Overview

The General Dynamics SATCOM Technologies 9.0-meter antenna delivers exceptional performance for transmit/ receive and receive only applications for L through Ka-band frequencies. This antenna offers a reflector design that incorporates precision-formed panels, truss radials and hub assembly using matched tooling for interchangeable components. It features an innovative Cassegrain feed and subreflector design which results in high gain, low noise temperature, high antenna efficiency and excellent rejection of noise and microwave interference. A large center hub provides spacious accommodation for equipment mounting. The reflector is supported by a galvanized elevation over azimuth kingpost pedestal that provides the required stiffness for pointing and tracking accuracy. The pedestals are designed for full orbital arc coverage and are readily adaptable to ground or rooftop installations. The electrical performance is compliant with FCC 25.209 regulations, ITU-RS-580 sidelobe specifications and Intelsat (F3) and Eutelsat requirements.

Details

  • L, S, C, X, Ku, DBS and Ka-band feed configurations
  • C/Ku receive-only feed systems
  • CP/LP manual or remote switchable feeds
  • Specialized feed systems (e.g. extended, multi-band)
  • Antenna control system with tracking
  • Reflector and feed deicing systems
  • Environmental hub configurations
  • Integrated transmit cross-axis kits
  • Integrated LNA or LNB systems
  • HPAs, converters and M&C systems
  • Load frame mounts
  • Packing for sea and air transport
  • Turnkey installation and testing

Mechanical/Environmental (4)
Antenna Diameter 9.0 meters (29.5 feet)
Antenna Type Cassegrain design
Reflector Construction 16 precision-formed aluminum panels with heat-diffusing white paint
Cleaned and brightened aluminum back-up structure Galvanized steel backup structure
Hub Dimensions 70 in (178 cm) OD, 36 in (91 cm) depth
Mount Configuration Elevation over azimuth pedestal, constructed of galvanized A36 steel
Operational Temperature +5° to +122° F (-15° to +50° C)
Survival Temperature -22° to +140° F (-30° to +60° C), low temperature options available
Rain Up to 4 in/h (10 cm/h)
Relative Humidity 0 to 100% with condensation
Solar Radiation 360 BTU/h/ft² (1,000 Kcal/h/m²)
Ice (survival) 1 in (2.5 cm) on all surfaces or 1/2 in (1.3 cm) on all surfaces with 80 mph (130 km/h) wind gusts
Atmospheric Conditions As encountered in coastal regions and/or heavily industrialized areas
Shock and Vibration As encountered during shipment by airplane, ship or truck
(4) Some specifications may vary based on the combination of equipment, options and/or upgrades ordered.
(View our PDF Datasheet for more information)

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