Labels:barrier reef | book | monitor | quadrangular prism | sky | streetlight | traffic light OCR: DIPOLE 15 DIRE CTOR LENGTHS OPTIMIZED 14 FOR MAXIMUM GAIN SEE TABLE L WAV DIRECTORS OF OPTIMUM UNI FORM LENGTH 13 N=13 =0 30 HAL N 15 =10 11 0.2 RELATIVE 10 25 N NUMBER SPACING OF BETWEEN DIRECTORS DIRECTORS REFLECTOR SPACED ON ALL ANTE NNAS OVERALL LENGTH IN WAVELENGTHS DIFFERENT YAGIS FIG 7 COMPARISON OF GAIN OF DIFFERENT LENGTH YAGIS SHOWING THE RELATIONSHIP BETWEEN DIRECTORS OPTIMIZED IN LENGTH T YIELD MAXIMUM GAIN AND DIRECTORS OF OPTIMUM UNIFORM LENGTH CTORS WAVELENG COMPARI SHOWI RELAT IONSHIP IMUM