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Sample Form

Compute Beam Spread
Laser or Microwave Radar

Beam Spread = 2 R tan (beamwidth / 2)

FORM input image

Sample Form Results

BEAM SPREAD
laser or microwave

Beam Spread = 2 R tan ( Beamwidth / 2 )

Beamwidth = 9° = 157.1 mR
img78.7 feet
23.99 meters
500 feet
152.4 meters

Beamwidth: 9° (157.1 mR)
Range: 500 feet (152.4 meters)
Beam Spread: 78.7 feet (23.99 meters)

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Police Traffic Radar Handbook
Compute Beam Spread