The Ponce de Leon Inlet Lighthouse stands tall above the Volusia County coastline, a beacon for ships in the Atlantic Ocean and Halifax River.

The Prince’s Bay Lighthouse is one of New York City’s oldest surviving lighthouse complexes. Historically known as the Red ...

The paper proposes a novel sleeve dipole antenna design that effectively covers three WiFi frequency bands with excellent radiation patterns. The antenna consists of two metal cylinders and two ...

At the Mount Mansfield research station, supplies include leg bands, the tiny metal cylinders on the strands below, which are affixed to birds before they’re released.

This paper presents a circularly polarized (CP) phased array antenna. Firstly, a CP antenna based on cross dipole is designed as the element for the array. Second, metal cylinders are added to the ...