Abstract: Concept of ringed stacked patch antenna with low side lobe level and enhanced bandwidth is introduced for radio altimeter avionics applications. One dimensional electromagnetic band gap is ...

This is basic information for people with no prior knowledge of Amateur Radio, DX and Radiosport. There are millions of people all over the world who, in their leisure time, use the radiowaves as ...

Abstract: CubeSats are a class of miniaturized, cost-effective satellites that have recently become pivotal to the space sector. Their small size, lightweight design, coupled with the ability to ...