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Articles: Test & Measurement
Method for Performing GPS L1 C/A Measurements in Wideband Jamming and Interference

John F. Kennedy Space Center, Florida

For effective range safety, global positioning system (GPS) metric tracking must be robust to interference with, and...

News: Energy
Energy Harvesting Could Help Power Spacecraft of the Future

A consortium is working on a project to maximize energy harvesting on a spacecraft of the future. The initiative seeks to find energy-saving and -maximizing solutions to enable...

Briefs: Communications
Automatic Dependent Surveillance Broadcast System for Traffic Situational Awareness

An integrated communications and control system for unmanned aircraft systems (UAS) utilizes automatic dependent surveillance broadcast (ADS-B) technology. The...

Briefs: Communications
E-Textile Antenna Tuning Stitches

This technique can be used to tune a microstrip patch antenna.

Lyndon B. Johnson Space Center, Houston, Texas

A variety of antenna tuning techniques exist for conventionally...

Articles: Communications
Protograph-Based LDPC Bit-Interleaved Coded Modulation

Bandwidth and power-coded modulation schemes are very desirable for many applications in high-data-rate transmission over a given allocated bandwidth. The goal is to design such coded...

Briefs: Communications
Flight Imagery Recorder Locator (FIRLo) and High-Temperature Radome

This technology is applicable to the commercial airline industry for locating “black boxes.”

NASA’s Jet Propulsion Laboratory, Pasadena,...

Briefs: Communications
Multiparty Policy Negotiation Engine

Policy negotiation is the process of determining the “best” communication protocol that satisfies all requirements of all parties involved. The main challenge here is how to reconcile the various (and...

News: Aerospace
Air Traffic Lab Answers Questions About Future Flying

The holiday season is upon us and that means crowded airports and delayed flights. Researchers at NASA's Langley Research Center are working to change that. They are conducting studies to help...

News: Aerospace
Wireless Devices Used by Pilots are Vulnerable to Hacking

A new class of apps and wireless devices used by private pilots are vulnerable to a wide range of security attacks, which in some scenarios could lead to catastrophic outcomes, according to...

Articles: Communications
NASA's Hot 100 Technologies: Communications

This technology uses recent advances in Radio Frequency Identification Devices, combined with smart software, to create an electronic firefighter evacuation trail and fire safety information location...

Question of the Week
Would you use "Printed Wi-Fi?"

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