Labels:barrier reef | crt screen | earth | plant | road OCR: S0.1 0.15 0.4 0.2 0.8 WIDTH e 2 METERS (METERS) FEED -12 FREQUENCY (MHz) Figure 20 Gain away from the feed point for zig-zag antenna of sever- elements and spacings. Note that the span kept constant, which means that the element length increases as end spacing increases.