Abstract: The primary challenge confronting traditional strapdown inertial navigation systems/refractive celestial navigation systems (SINSs/RCNSs) is the inaccuracy of atmospheric modeling, which ...

PROVIDENCE, R.I. (WPRI) — Signs are starting to go up across Providence aimed at preventing U.S. Immigration and Customs Enforcement (ICE) actions from taking place on city-owned properties. The first ...

AUSTIN (KXAN) — Southbound Interstate 35 was shut down Friday morning due to “police activity” in the area, according to the Texas Department of Transportation, or TxDOT. TxDOT issued the traffic ...