Antenna Beamwidths of Above-The-Road Radar for Traffic Speed Enforcement in China

Table 2

Theoretical calculation of maximum permissible antenna horizontal beamwidth of AbTR radar devices.

H	θ
	20^°	22.5^°	25^°	30^°
6 m	8.2^°	9.1^°	10.1^°	11.9^°
7 m	7.0^°	7.8^°	8.6^°	10.2^°
8 m	6.1^°	6.8^°	7.6^°	8.9^°