RF Testing

RF Testing


Engineering Systems

Dayton, Ohio Compact Range


Northrop Grumman’s 1365 Compact Range, is located in Beavercreek, Ohio, near Wright Patterson AFB. The range team strives to provide high quality antenna and RCS measurements. The range staff continually attends training and seminars to stay abreast of current techniques and technologies. The range has the support of engineers, security and vendors, to ensure the success with the measurement systems, target positioning systems, and data acquisition/processing systems. The facility is currently certified by the National RCS Facilities Certification Program.

The compact range accommodates RCS or antenna/radome measurements on articles up to 16-ft wide/long, 12-ft high, and weighing 3,000 pounds. Normal operating frequencies available cover 200 MHz to 50 GHz.

Targets are mounted/dismounted and reconfigured utilizing the Personnel Work Platform (PWP). The PWP’s deck and crane sections traverse vertically and independently. Any target beyond the capacity of the PWP is positioned with a forklift. This is in conjunction with the vertical lift of the pylon which enables it to be lowered to 5ft off the floor. The PWP also brings in its own light, numerous tools, fixtures, and a 20GHz analyzer.

Ranch Bernardo, California Compact Range


Northrop Grumman’s Rancho Bernardo Compact Range, located near San Diego, California, is dedicated to world class, advanced composite aerospace structures and components, as well as radio frequency and low observable technologies. The range maintains a trained staff of engineers, technicians and support personnel, familiar with measurement systems, target support systems, model/fixture design and fabrication, and data acquisition/processing systems. The facility is currently certified by the National RCS Facilities Certification Program.

The compact range accommodates RCS or antenna/radome measurements on articles up to 40-ft wide/long, 28-ft high, and weighing 10,000 pounds. Normal operating frequencies available cover 300 MHz to18 GHz.

The chamber is spanned by a radio controlled bridge crane to lift items from the staging area to the pylon/positioner. When not in use, the bridge crane stores inside an absorber covered soffit. A telescopic hydraulic man lift installed near the base of the pylon is used to access the article during mounting, modifications, and dismounting. Each high bay area has secure roll-up doors that are interlocked to open only when access to the staging area is required for target/antenna mounting.


atkdayton@orbitalatk.com

Compact Range Capabilities:

  • Dimensions: 40’h x 52’w x 90’l
  • Quiet Zone: 12 ft. x 12 ft.
  • Frequency (Compact Range): 0.5-40 GHz (0.2 – 26.5 continuous, 26.5 - 40)
  • Frequency (Far Field Mode): 0.2-2 GHz
  • Cross-Pol Level: < -25 dB
  • Rolled Edge Parabolic Reflector: 24’ x 24’
  • QuarterBranch Radar Man Radar: 0.1 – 40GHz
  • Steel pylon supports 3000lbs: AZ (infinite), EL (0 – 45°)
  • Elevator Lift for Target Handling: Lower to 5’
  • Test bodies & ground planes: RCS and antenna


rftest@orbitalatk.com

Compact Range Capabilities:

  • Dimensions: 96’h x 96’w x 185’l
  • Quiet Zone: 30-40 ft. x 20-28 ft.
  • Frequency (Compact Range): 0.3-26 GHz (RCS) (Up to 40 GHz (Ant))
  • Frequency (Far Field Mode): 0.2-2 GHz
  • Cross-Pol Level: < -35 dB
  • Elliptical Main Reflector: 56’ x 74’
  • Elliptical Sub Reflector: 22’ x 24’
  • Elan 2000 Radar: 0.3 – 26.5 GHz
  • Steel pylon supports 10,000 lbs: AZ (infinite), EL (0 – 45°)
  • Test bodies & ground planes: RCS and antenna

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