A one-dimensional antenna array comprising a plurality of modular wideband antenna elements, each antenna element comprising: a support structure comprising a feed network; and first and second arbitrarily-shaped radiator elements, each radiator element comprising a set of disconnected metallic radiator body components, each set extending along a corresponding main axis of the antenna element, the disconnected metallic radiator body components of each set being separated by gap regions, each arbitrarily-shaped radiator element having a bottom body component defining a wider end of the radiator element and a top body component defining a narrower end of the radiator element to provide a tapered slot region, wherein the wider ends of the first and second arbitrarily-shaped radiator elements are located closer to the support structure than the narrower ends of first and second arbitrarily-shaped radiator elements, wherein: the first and second arbitrarily-shaped radiator elements are configured to be electrically coupled to the feed network; each metallic radiator body component of the first arbitrarily-shaped radiator element of a first antenna element is coupled to a corresponding radiator body component of the second arbitrarily-shaped radiator element of a second antenna element adjacent to a first side of the first antenna element; each metallic radiator body component of the second arbitrarily-shaped radiator element of the first antenna element is coupled to a corresponding radiator body component of the first arbitrarily-shaped radiator element of a third antenna element adjacent to a second side of the first antenna element opposite to the first side with respect to the main axis; and the thickness of the gap regions along the main axis between each pair of adjacent body components within each of the first and second arbitrarily-shaped radiator elements is less than or equal to the thickness of each of the two adjacent body components along the main axis wherein each antenna element is entirely embedded within a non-conductive medium so that the disconnected radiator body components and gap regions are both within the medium; and each antenna element in the non-conductive medium extends along the main axis. a support structure comprising a feed network; and first and second arbitrarily-shaped radiator elements, each radiator element comprising a set of disconnected metallic radiator body components, each set extending along a corresponding main axis of the antenna element, the disconnected metallic radiator body components of each set being separated by gap regions, each arbitrarily-shaped radiator element having a bottom body component defining a wider end of the radiator element and a top body component defining a narrower end of the radiator element to provide a tapered slot region, wherein the wider ends of the first and second arbitrarily-shaped radiator elements are located closer to the support structure than the narrower ends of first and second arbitrarily-shaped radiator elements, wherein: the first and second arbitrarily-shaped radiator elements are configured to be electrically coupled to the feed network; each metallic radiator body component of the first arbitrarily-shaped radiator element of a first antenna element is coupled to a corresponding radiator body component of the second arbitrarily-shaped radiator element of a second antenna element adjacent to a first side of the first antenna element; each metallic radiator body component of the second arbitrarily-shaped radiator element of the first antenna element is coupled to a corresponding radiator body component of the first arbitrarily-shaped radiator element of a third antenna element adjacent to a second side of the first antenna element opposite to the first side with respect to the main axis; and the thickness of the gap regions along the main axis between each pair of adjacent body components within each of the first and second arbitrarily-shaped radiator elements is less than or equal to the thickness of each of the two adjacent body components along the main axis wherein each antenna element is entirely embedded within a non-conductive medium so that the disconnected radiator body components and gap regions are both within the medium; and each antenna element in the non-conductive medium extends along the main axis. the first and second arbitrarily-shaped radiator elements are configured to be electrically coupled to the feed network; each metallic radiator body component of the first arbitrarily-shaped radiator element of a first antenna element is coupled to a corresponding radiator body component of the second arbitrarily-shaped radiator element of a second antenna element adjacent to a first side of the first antenna element; each metallic radiator body component of the second arbitrarily-shaped radiator element of the first antenna element is coupled to a corresponding radiator body component of the first arbitrarily-shaped radiator element of a third antenna element adjacent to a second side of the first antenna element opposite to the first side with respect to the main axis; and the thickness of the gap regions along the main axis between each pair of adjacent body components within each of the first and second arbitrarily-shaped radiator elements is less than or equal to the thickness of each of the two adjacent body components along the main axis wherein each antenna element is entirely embedded within a non-conductive medium so that the disconnected radiator body components and gap regions are both within the medium; and each antenna element in the non-conductive medium extends along the main axis.