NRH images in total intensity (Stokes parameter I) of the surge at all ten frequencies during the first (top) and the second (bottom) phase of the event. The white arc marks the solar limb, the insert shows the NRH beam (resolution), while the cross-hair is placed at the maximum of the lower source at 445 MHz during the first phase. The images are normalized so that the maximum intensity at each frequency is white and the minimum is black, with a linear scale (γ = 1.). An Hα image from Catania and a long exposure SXR image from SXI are given for reference in the left column.