A dielectric resonator antenna, DRA, (400, 500, 600, 700, 1000, 3000, 3100, 3200, 3300, 3400, 3500, 3600, 3800) comprising: an electrically conductive ground structure (402, 502, 602, 702, 1002, 3002, 3102, 3502, 3602, 3802); a plurality of volumes of dielectric materials (404, 504, 604, 704, 1004, 3004, 3504, 3604, 3804) disposed on the ground structure comprising N volumes, N being an integer equal to or greater than 3, disposed to form successive and sequential layered volumes V i, i being an integer from 1 to N, wherein volume V 1 forms an innermost first volume (404.1, 504.1, 604.1, 704.1, 1004.1, 3004.1, 3504.1, 3604.1, 3804.1), wherein a successive volume V i+1 (404.2, 504.2, 604.2, 704.2, 1004.2, 3004.2, 3504.2, 3604.2, 3804.2) forms a layered shell disposed over and at least partially embedding volume V i, wherein volume V N (404.3, 504.3, 604.3, 704.3, 1004.3, 3004.3, 3504.3, 3604.3, 3804.3) at least partially embeds all volumes V 1 to V N-1; a signal feed (406, 506, 606, 706, 806, 1006, 3006, 3106, 3206, 3506, 3606, 3806) electromagnetically coupled to one or more of the plurality of volumes of dielectric materials; the plurality of volumes of dielectric materials defining therein a first geometrical path A-B having a first direction, as observed in a plan view of the DRA, that extends from the signal feed to a diametrically opposing side of the plurality of volumes of dielectric materials, and defining therein a second geometrical path C-D having a second direction, as observed in the plan view of the DRA, that is orthogonal to the first direction of the first geometrical path, the second geometrical path having an effective dielectric constant that is less than an effective dielectric constant of the first geometrical path, wherein the signal feed is disposed in or in signal communication with a volume V 1<i<N that is not volume V 1 and is not volume V N, wherein the volume V 1<i<N provides a continuous uninterrupted internal geometrical path from the side of the signal feed to the opposing side over the top of volume V 1 that is configured to support a TE radiating mode; wherein the volume V 1<i<N has an overall width that is smaller than its overall length, as observed in a plan view of the DRA; wherein directly adjacent volumes of the plurality of volumes of dielectric materials have different dielectric constant values that range from a first relative minimum value at volume V 1 to a relative maximum value at one of volumes V 2 to V N-1, back to a second relative minimum value at volume V N. an electrically conductive ground structure (402, 502, 602, 702, 1002, 3002, 3102, 3502, 3602, 3802); a plurality of volumes of dielectric materials (404, 504, 604, 704, 1004, 3004, 3504, 3604, 3804) disposed on the ground structure comprising N volumes, N being an integer equal to or greater than 3, disposed to form successive and sequential layered volumes V i, i being an integer from 1 to N, wherein volume V 1 forms an innermost first volume (404.1, 504.1, 604.1, 704.1, 1004.1, 3004.1, 3504.1, 3604.1, 3804.1), wherein a successive volume V i+1 (404.2, 504.2, 604.2, 704.2, 1004.2, 3004.2, 3504.2, 3604.2, 3804.2) forms a layered shell disposed over and at least partially embedding volume V i, wherein volume V N (404.3, 504.3, 604.3, 704.3, 1004.3, 3004.3, 3504.3, 3604.3, 3804.3) at least partially embeds all volumes V 1 to V N-1; a signal feed (406, 506, 606, 706, 806, 1006, 3006, 3106, 3206, 3506, 3606, 3806) electromagnetically coupled to one or more of the plurality of volumes of dielectric materials; the plurality of volumes of dielectric materials defining therein a first geometrical path A-B having a first direction, as observed in a plan view of the DRA, that extends from the signal feed to a diametrically opposing side of the plurality of volumes of dielectric materials, and defining therein a second geometrical path C-D having a second direction, as observed in the plan view of the DRA, that is orthogonal to the first direction of the first geometrical path, the second geometrical path having an effective dielectric constant that is less than an effective dielectric constant of the first geometrical path, wherein the signal feed is disposed in or in signal communication with a volume V 1<i<N that is not volume V 1 and is not volume V N, wherein the volume V 1<i<N provides a continuous uninterrupted internal geometrical path from the side of the signal feed to the opposing side over the top of volume V 1 that is configured to support a TE radiating mode; wherein the volume V 1<i<N has an overall width that is smaller than its overall length, as observed in a plan view of the DRA; wherein directly adjacent volumes of the plurality of volumes of dielectric materials have different dielectric constant values that range from a first relative minimum value at volume V 1 to a relative maximum value at one of volumes V 2 to V N-1, back to a second relative minimum value at volume V N.