Labels:barrier reef | crt screen | sky OCR: 12 0.3 SPACING 00.4 SPACING SPACING 0.1 SPACING GAIN OF DIPOLE AND REFLECTOR FOR ADD LENGTH ANTENNA N WAVELENGTHS FIG. GAIN OF A YAGI AS A FUNCTION OF LENGTH (NUMBER DIRECTORS) FOR DIFFERENT CONSTANT SPACINGS BETWEEN DIRECTORS LENGTH EQUAL TO 0.411 REFL WAVEL ENGTHS SPACI 4112