Military

Editor's Note: Reinventing JTRS

This month's issue updates readers on the U.S. military's vast Joint Tactical Radio System (JTRS) program, which is developing a family of interoperable software defined radios that will, it is hoped, eventually…

ATM Modernization

Scan

AESA Radar Enters Operational Evaluation The U.S. Navy has cleared Raytheon's APG-79 active electronically scanned array (AESA) radar to enter the service's operational evaluation (OPEVAL) program. The APG-79 will be used on…

Military

Software Defined Radio: From Revolution to Evolution

At A Glance: We discuss the reorganized Joint Tactical Radio System (JTRS) program, focusing on: The Airborne, Maritime and Fixed site (AMF) program, The Multifunctional Information Distribution System (MIDS) program, and New…

ATM Modernization

WAAS Milestone: Cat I Equivalence

The U.S. Wide Area Augmentation System (WAAS) has been approved for instrument approaches down to 200 feet above ground level (AGL), giving it equivalence to Cat I ILS. In March, FAA's GPS…

ATM Modernization

See and Avoid in IMC

At A Glance: We discuss several NASA technologies that could help to enable "see and avoid" under IFR conditions: -- Autonomous flight rules; -- Cockpit display of traffic     information with conflict…

ATM Modernization

UAVs in Europe: When Will They File and Fly?

At A Glance: Europe, in collaboration with the U.S., is forging a path toward integration of UAVs into civil airspace. We discuss: -- Sense-and-avoid issues, -- Regulatory challenges, and -- UK developments.…

ATM Modernization

Safety: Where’s Redundancy?

Together with recent reports of screens going blank in the cockpit, this story does not inspire lasting or fervent confidence in automation. The Australian Transport Safety Bureau (ATSB) headlines its recent report…