Israel’s new law against UNRWA defies the ICJ and international law, UN officials tell TNA, calling it a systematic campaign ...

We remain convinced that the use of this tool is worthwhile, even as critics warned that it’s flawed. Any verification system ...

Abstract: Infrared Earth sensors are used in spacecraft for attitude sensing. Their accuracy is limited by systematic and random errors. Dominant sources of systematic errors are analyzed for a ...

Accurate estimation of the ionosphere is essential for reliable Global Navigation Satellite System (GNSS) positioning, timing ...