A vehicle having a body and comprising an antenna system wherein the antenna system comprises: a plurality of crossed dipole antennas arranged in an array and mounted to the body of the vehicle, configured and arranged to provide two orthogonal polarizations and supporting two spatial data streams, with a gain of at least +10 dBi, each one of the dipole antennas comprises a parasitic element configured and arranged relative to each of the dipole antennas to improve the bandwidth of the antenna system, two switched Yagi antenna arrays (188, 190) mounted to the body of the vehicle, configured and arranged to provide a third orthogonal polarization, and with each Yagi antenna array (188, 190) providing 180° azimuth coverage, with more than a + 5 dBi gain at 5° elevation, and with each Yagi antenna array (188, 190) providing one data stream, wherein each switched Yagi antenna array (188, 190) comprises: a folded monopole extending from a body of the vehicle, which body is configured and arranged to act as a groundplane, a reflector positioned to one side of the folded monopole and also extending from the body of the vehicle, a set of one or more directors positioned opposite the one side of the folded monopole where the reflector is positioned, wherein the one or more directors, the folded monopole and the reflector form a linearly aligned array. wherein the antenna system comprises: a plurality of crossed dipole antennas arranged in an array and mounted to the body of the vehicle, configured and arranged to provide two orthogonal polarizations and supporting two spatial data streams, with a gain of at least +10 dBi, each one of the dipole antennas comprises a parasitic element configured and arranged relative to each of the dipole antennas to improve the bandwidth of the antenna system, two switched Yagi antenna arrays (188, 190) mounted to the body of the vehicle, configured and arranged to provide a third orthogonal polarization, and with each Yagi antenna array (188, 190) providing 180° azimuth coverage, with more than a + 5 dBi gain at 5° elevation, and with each Yagi antenna array (188, 190) providing one data stream, a plurality of crossed dipole antennas arranged in an array and mounted to the body of the vehicle, configured and arranged to provide two orthogonal polarizations and supporting two spatial data streams, with a gain of at least +10 dBi, each one of the dipole antennas comprises a parasitic element configured and arranged relative to each of the dipole antennas to improve the bandwidth of the antenna system, two switched Yagi antenna arrays (188, 190) mounted to the body of the vehicle, configured and arranged to provide a third orthogonal polarization, and with each Yagi antenna array (188, 190) providing 180° azimuth coverage, with more than a + 5 dBi gain at 5° elevation, and with each Yagi antenna array (188, 190) providing one data stream, wherein each switched Yagi antenna array (188, 190) comprises: a folded monopole extending from a body of the vehicle, which body is configured and arranged to act as a groundplane, a reflector positioned to one side of the folded monopole and also extending from the body of the vehicle, a set of one or more directors positioned opposite the one side of the folded monopole where the reflector is positioned, wherein the one or more directors, the folded monopole and the reflector form a linearly aligned array. a folded monopole extending from a body of the vehicle, which body is configured and arranged to act as a groundplane, a reflector positioned to one side of the folded monopole and also extending from the body of the vehicle, a set of one or more directors positioned opposite the one side of the folded monopole where the reflector is positioned, wherein the one or more directors, the folded monopole and the reflector form a linearly aligned array.