An analogue multibeam former of several two-dimensional radiofrequency beams of continuously variable sizes and/or aiming directions for a reconfigurable two-dimensional active array antenna, having a total integer number M, greater than or equal to 4, of active radiating feeds distributed over a planar or curved surface according to a mesh formed by the points of intersection of a first array of a first integer number R, greater than or equal to 2, of parallel lines along a first axial direction X, and a second array of a second integer number S, greater than or equal to 2, of parallel lines along a second axial direction Y, different from the first axial direction X, and having a set of M RF amplifiers, each active radiating feed being directly connected to an amplifier; the analogue multibeam former comprising a first set (112; 162; 212; 262; 312; 362) in which R first analogue formers (112i; 162i; 212i; 262i; 312i; 362i) of identical structure are superposed and configured to form P fixed radiofrequency beams in first angular aiming directions Ax fixed along the first axial direction X, each first analogue former (112i; 162i; 212i; 262i; 312i; 362i) being configured to be connected through S output channels in transmission mode or S input channels in reception mode, each including an RF amplifier among the M RF amplifiers and corresponding to a row of S active radiating feeds of the antenna array and corresponding to a different line of the mesh of the antenna array, identified by a level index i, i varying from 1 to R; and each first analogue former having an integer number P, greater than or equal to 2, of input channels in transmission mode or output channels in reception mode, numbered by an index of progression j along the first axial direction X; the analogue multibeam former contains a second set (114; 164; 214; 264; 314; 364) of an integer number Q of second analogue formers (114k; 164k; 214k; 264k; 314k; 364k) of radiofrequency beams that are continuously variable in size and/or in aiming direction in second angular aiming directions By along the second axial direction Y, each second analogue former being formed by a divider (116k; 166k; 216k; 266k) with a single input and R output branches in transmission mode or by a combiner with a single output and R input branches in reception mode, each output branch of a divider in transmission mode or input branch of a combiner in reception mode including an amplitude and phase control point (118 k,i, 168 k,i, 218 k,i, 268 ki; 318 k,i; 368 k,i); each second analogue former (114k; 164k; 214k; 264k; 314k; 364k) of the second set (114; 164; 214; 264; 314; 364) being connected to at least one access column of the first set of first beam formers, an access column being formed by R access terminals to the input channels of the same rank j of the first analogue formers. the analogue multibeam former comprising a first set (112; 162; 212; 262; 312; 362) in which R first analogue formers (112i; 162i; 212i; 262i; 312i; 362i) of identical structure are superposed and configured to form P fixed radiofrequency beams in first angular aiming directions Ax fixed along the first axial direction X, each first analogue former (112i; 162i; 212i; 262i; 312i; 362i) being configured to be connected through S output channels in transmission mode or S input channels in reception mode, each including an RF amplifier among the M RF amplifiers and corresponding to a row of S active radiating feeds of the antenna array and corresponding to a different line of the mesh of the antenna array, identified by a level index i, i varying from 1 to R; and each first analogue former having an integer number P, greater than or equal to 2, of input channels in transmission mode or output channels in reception mode, numbered by an index of progression j along the first axial direction X; the analogue multibeam former contains a second set (114; 164; 214; 264; 314; 364) of an integer number Q of second analogue formers (114k; 164k; 214k; 264k; 314k; 364k) of radiofrequency beams that are continuously variable in size and/or in aiming direction in second angular aiming directions By along the second axial direction Y, each second analogue former being formed by a divider (116k; 166k; 216k; 266k) with a single input and R output branches in transmission mode or by a combiner with a single output and R input branches in reception mode, each output branch of a divider in transmission mode or input branch of a combiner in reception mode including an amplitude and phase control point (118 k,i, 168 k,i, 218 k,i, 268 ki; 318 k,i; 368 k,i); each second analogue former (114k; 164k; 214k; 264k; 314k; 364k) of the second set (114; 164; 214; 264; 314; 364) being connected to at least one access column of the first set of first beam formers, an access column being formed by R access terminals to the input channels of the same rank j of the first analogue formers.