User's Manual

SYSTEM BREAKDOWN
IDS GeoRadar S.r.l. MNG/2017/009 Rev 1.1 17/ 54
Fig. 7 – HYDRA Radar Sensor (bottom view)
5.2 Antennas
The HYDRA system is provided with a couple of HYDRA-ANT 101 and/or a
couple of HYDRA-ANT102 antennas (depending on the configuration)
operating in vertical polarization and characterized by a maximum gain of
21 dBi (for ANT 102) or 17.3 dBi (for ANT 102). The amplitude
characteristics of the antenna main lobe at -3 dB and -10 dB are provided in
Tab. 2 and Tab. 2.
HYDRA-ANT101
HORIZONTAL PLANE
VERTICAL PLANE
-3 dB
16°
13°
-10 dB
32°
26°
Tab. 1 – Main lobes width of HYDRA-ANT101 antennas at -3 dB and -10 dB
HYDRA-ANT102
HORIZONTAL PLANE
VERTICAL PLANE
-3 dB
26°
25°
-10 dB
60°
55°
Tab. 2 – Main lobes width of HYDRA-ANT102 antennas at -3 dB and -10 dB
Fixing points