The quadrifilar helix antenna (QHA) has emerged as a versatile solution for modern communication systems requiring compact form factors, wide angular coverage and stable circular polarisation.

Amateur radio operators like to say that working a contact in space can be done with a simple handheld transceiver and a homemade antenna. And while that’s true, it’s true only for low Earth orbit ...

Receiving a signal from a geosynchronous satellite 22,300 miles out or a GPS satellite over 10,000 miles away is a challenge. Big gain antennas usually are necessary. But that’s just the opposite of ...

When an earthquake, flood, or other disaster strikes a region, existing communication infrastructure such as cell phone and radio towers are often damaged or destroyed. Restoring emergency ...

As the space industry evolves its focus from large satellites to smaller ones with the same functionality, there is a growing need for the hardware on board to shrink as well. A group of mechanical ...

Maxtena Inc. has introduced an advanced, tiny, patented GNSS antenna for high precision and autonomous multi-frequency applications. The M9HCT-A-SMA antenna is a high accuracy, multi-frequency active ...

Blacksburg, Va. –– A new unlicensed, wireless Internet connection, WiFi, is providing new freedom to the World Wide Web addict. An antenna for WiFi, invented by Warren Stutzman of Virginia Tech's ...

No audio available for this content. While often an underestimated component of a positioning and navigation system, a GNSS antenna is critical to a receiver’s success in acquiring all available GNSS ...