Abstract: Satellite communication (SATCOM) systems in low Earth orbit (LEO) require compact, high-performance deployable phased-array transceivers for real-time communication. Conventional ...

Bob Bartizek's 40 x 70-foot Pennsylvania & Western RR in O scale (1:48, three-rail) depicts the PRR in western Pennsylvania.

Abstract: With the rapid expansion of global railway networks, the demand for efficient railway operation and maintenance has grown significantly. This shift has underscored the need for automated and ...

Orla Mining’s South Railroad Project in Elko County may be permitted months before originally expected because the U.S. Bureau of Land Management has removed a step in the permitting process.

A pigeon loiters outside the Restored Depot in Uptown Creston. City council approved a bid by Orkin for pigeon mitigation. (Cheyenne Roche) The days of pigeons roosting at the Restored Depot are ...

Find the Blue and White Sign to Save a Life GET OUT! GET AWAY! Get everyone out of the vehicle and away from the tracks immediately – whether you see a train or not. Safely FIND THE Blue and White ...

Model making is a great hobby, but knowing how and where to start is another story. It can be overwhelming for novices: Injection-molded plastic models have been on the market for close to a century, ...