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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 = 3.5 mR = 0.201°
img1.75 feet
0.53 meters
500 feet
152.4 meters

Beamwidth: 3.5 mR (0.201°)
Range: 500 feet (152.4 meters)
Beam Spread: 1.75 feet (0.53 meters)

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Police Traffic Radar Handbook
Compute Beam Spread