Labels:barrier reef | crt screen | isosceles triangle | monitor | sky OCR: 106 105 104 103 102 10 1.0 ORIGINAL ENCLOSING SPHERE RADIUS WAVELENGTHS Figure 10. Quality factors for antennas reduced 2:1 in size, as a function ot the original enclosing sphere radius. Note that reducing the size of large antennas means that they rapidly become narrow band devices.