GPS World, February 2012
INNOVATION Antenna Technology FIGURE 5 Data collection with patch antenna fixed to phantom body FIGURE 6 Gain pattern of the patch antenna as measured by the measured C N 0 at all elevation angles as a function of antenna distance from body Elevation angles 0 º 90 º have azimuths 180 º 360 º while elevation angles 90 º 180 º have azimuths 0 º 180 º FIGURE 6 FIGURE 7 Mean C N 0 measurements of the patch antenna from all measurements and those only at 45 º and 85 º elevation angles as a function of antenna distance from the body FIGURE 8 Mean C N 0 measurements over 60 seconds of satellite PRN 8 with 85 º elevation angle when placed above an aluminum reflector FIGURE 7 GPS World February 2012 www gpsworld com 64
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