ETS-Lindgren 3160 Pyramidal Standard Gain Antenna - Manual (Page 42)

42 Typical Data www.ets-lindgren.com
Typical Half-Power Beamwidth (3160-06)
Following is a plot of the half-power beamwidth (HPBW) versus frequency. The
information provides the size of the Equipment Under Test (EUT) that can be
illuminated without scanning. The size of the EUT can be obtained as:
EUT = 2
[ ]
Distance · tan
( )
HPBW
2
Distance is the distance between the EUT and the aperture of the antenna