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Far Field Test Randtron
 
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Antenna Testing Facilities

Antenna Production and Development testing capabilities at L3 Randtron are typically divided into electrical RF and environmental testing:

RF Testing
  • Our antenna ranges provide high measurement accuracy over a wide range of frequencies and antenna types and size. L3 Randtron’s capabilities include:

    • 3,000 - sq. ft all-weather far field range.

    • Compact range

    • More than 5 testing anechoic chambers

  • Far Field Test Range - L3 Randtron’s Far Field Laboratory consists of a 3,000 - sq. ft. canyon test range with a modern 15,000 sq. ft. receiving station. 

    • Environmentally controlled and pressurized receiving station

    • Three test stations which can accommodate antennas up to 30 feet in diameter and weighing up to 20,000 pounds to include E2 and AWACS/E3 antennas, with two remotely operated Far Field transmitter stations

    • RF capabilities include:

      • Up to 50k Watts of transmission power, in continuous or square waves

      • Pulse, frequency and phase modulation

      • 3-axis positioners (Azimuth-over-Elevation over Azimuth), mounted on elevators 

      • UHF through S-Band frequency range

  • Anechoic chambers test smaller spiral and sinuous antennas:

    • Frequencies from 0.5 GHz up to 100 GHz

    • RF sources with broadband amplifiers and very wideband rotating linearly polarized horns

  • The compact range is capable of testing both Radar Cross Section (RCS) and measuring antenna gain and patterns. 

  • Test station capabilities include remote control of:

    • Antenna beam selection

      Polarization

      Azimuth Position
      Elevation

      Power

      Frequency

       

The equipment can also take readings of the angle, power and phase received, under static or dynamic conditions.

  • Utilizes the industry-leading Orbit/FR 959 Spectrum System and specialized analysis software, to test and evaluate all antennas

    • Controls RF sources and positioning equipment

    • Standard and customized data analysis routines with built-in calibration

    • Manages fast data acquisition and reduction, with automated report generation
Environmental Testing

Salt Fog, Temperature, Altitude, Tensile and Vibration testing equipment located in a secure environmental chamber.

L3 Randtron’s Antenna Systems in-house testing capability simulates a wide range of environmental conditions typically required in flight applications in accordance with MIL-STD-810 requirements.
Mechanical testing uses various tools including a LING Model 540A shaker with our capabilities, including:

  • Vibe testing 12,000 Pounds Force RMS or 24,000 Pounds Force Peak Shock with random or sine vectors, maximum of 2-inch displacement and frequency response of 5Hz to 2000Hz

  • Tensile, shear, torque, or compressive structural loads up to 20,000 pounds

Our laboratories are equipped with a variety of temperatures, temperature/altitude, and temperature/humidity chambers capable of:

  • -65 degrees C to +150 degrees C and altitudes from sea level to 78,000 feet

  • 0 to 95% relative humidity environments at temperatures to +150 degrees C

Finally, we have a salt fog chamber which replicates military standard test exposure requirements.