Figures reveal 321 injury collisions on the A9 in four years, as pressure mounts on SNP over long-delayed dualling project.

The Scottish Tories have said “enough is enough” as more than 300 injuries in crashes were recorded on A9 in the past four years.

A wide-angle end-fire metantenna fed by a novel dual-layer substrate-integrated waveguide (SIW) 9×9 Butler Matrix (BM) suitable for millimeter-wave applications is proposed in this paper. By ...