Labels:barrier reef | clock | crt screen | monitor OCR: 1.6 GAIN 1.2 1.0 0.8 PATTERN FACTOR 0.6 0.4 COUPLING FACTOR 0.2 ELEMENT SPACING WAVELENGTH Figure Theoretical gain of two-element end-fire array or 8JK tenna, showing the pattern factor the coupling factor, and the overall gain. Element resistance neglected.