Sky coverage for BINGO observing strategy (pixel size = 40 arcmin). The histograms represent the sky coverage obtained with the hexagonal (gray) and the double-rectangular (red) arrangement. The histograms have been obtained with five different horn positionings (±300 mm, ±150 mm and 0) considering one year of integration for each elevation. On the y axis we have the number of observations relative to each pixel of the map.