Illustration of TDRS-13, the final satellite in NASA’s Tracking and Data Relay Satellite (TDRS) constellation, which has provided crucial connectivity for govern- ment users like the ISS and the U.S.

Finding a 480V-ac solid-state timer having zero-crossover switching may prove to be an impossible task. Most solid-state timers are rated at only 1A and have voltage ratings no higher than 240V ac.

If you're a casual track and field fan, you've probably heard of the 4x100 and 4x400 meter relays and can likely deduce how they are run from the names of the events alone. However, those are not the ...

This course introduces participants to ways they can improve their time management skills by reducing time wasting behaviors and thinking patterns, and increasing organization. Participants will ...

Abstract: The insulated-gate bipolar transistor (IGBT) module is a critical component of the traction converter in rail transit vehicles, and its reliability is essential for the safe operation of ...

Abstract: This article presented a new hybrid circuit breaker solution for using in dc microgrids. The proposed solution can offer a high-reliability protection feature for the dc microgrid with low ...

This is a continuation of the project started (but no longer maintained) by Stephen Marcok. The core function is to receive audio directly from the BBC, store it, and then stream it back out after a ...

Download the release zip(on the right sidebar, do not click code..download as zip). Extract directly to your Ashita directory(the folder with ashita-cli.exe in it!). Everything should fall into place.