Abstract: In this letter, a circularly polarized (CP) massive multiple-input–multiple-output (MIMO) antenna with wide impedance/axial ratio (AR) bandwidths and reduced size is proposed. The antenna ...

The Helix Nebula (NGC 7293/Caldwell 63) is a planetary nebula located approximately 655 light-years distant in the constellation Aquarius, first documented by Karl Ludwig Harding in 1827. Despite an ...

Indoor TV antennas are still a sensible purchase, despite the advent of Wi-Fi enabled TVs and online streaming services. For anyone who wants to cord cut their cable TV subscription or if you’re ...

Nahda Nabiilah is a writer and editor from Indonesia. She has always loved writing and playing games, so one day she decided to combine the two. Most of the time, writing gaming guides is a blast for ...

TOKYO--(BUSINESS WIRE)--Helical Fusion Co., Ltd., a world-leading developer of the Helical Stellarator, has completed a critical performance test of a high-temperature superconducting (HTS) coil—a ...

Canadian positioning sensor developer Calian GNSS has launched two advanced antenna solutions designed for precision navigation applications: the HC3990XF housed full-band helical antenna and the next ...

We may receive a commission on purchases made from links. But remember: The channels you end up receiving are ultimately determined by antenna placement in your home, proximity to a broadcast tower, ...

A certified sleep science coach and mattress expert, JD has been reviewing online mattresses professionally for the past five years. During that time, he's tested well over 150 beds and dedicated ...

I rate Helix Energy Solutions a buy, as its share price is well below my calculated fair (liquidation) value, offering a strong margin of safety. Helix’s niche in subsea well intervention and robotics ...

Above is my first build of a helix antenna described in W6NBC's paper in QST. Roughly speaking it would fit in a 170cm sided cube, and it definitely fits inside the non-functional decorative GRP ...