Abstract: The acoustically excited antennas based on the piezo-electric effect (PE) have been shown to reduce the size of the long wave communication system transmitter (Tx) to 10 −4 of the wavelength ...

Abstract: Directional antennas have been widely used in unmanned aerial vehicle (UAV) communications to improve the transmission efficiency. For a UAV mounted with directional antennas, its tilting ...

Styrkás hf., a company 45.7% owned by SKEL, has today signed an agreement to acquire all shares in Hreinsitækni ehf., HRT þjónustu ehf., and related companies. The share purchase agreement is subject ...