Rotary Positioners

Compact Series - AZ/EL/AZ Positioners: Light Duty

These AZ/EL/AZ positioners provide accurate, balanced rotation, and controllable velocity in the positioning of light-duty antennas under test. Their compact and low-profile design optimizes space in test configurations as well as high operational performance, yielding the best size and weight performance ratio.

Their rugged and straightforward construction ensures maximum reliability and trouble-free operation.


  • AL-4555-1 -
  • AL-4557-1 -
  • AL-4580-1 -
  • AL-4581-1 -
  • AL-4582-LP
Compact Series - AZ/EL/AZ Positioners: Light Duty


  • General purpose positioning subsystems
  • Far-field & near-field antenna measurements
  • Small antenna testing
  • Indoor use

Product Highlights

  • Compact, low-profile design
  • High angular positioning
  • Adjustable travel in all axes
  • Rotary joint 18/40 GHz (Optional)
  • Upper AZ through hole (Optional)
  • Vertical loads ranging from 13-1000 lbs (6-2200 kg)
  • Turntable diameters ranging from 3.7-12.5 in (95-318 mm)
  • Excellent angular position accuracy
  • Low backlash design
  • Precision bearings
  • Closed loop servo control
  • Industry-standard wiring
  • Encoders for optimum speed regulation & control
  • Fully enclosed design of drive gear train & data take-off
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