Figure 1: Bobcat-1, with communications antenna stowed (left) and deployed (right). Bobcat-1 measures approximately 10 x 10 x 30 centimeters. (All figures except FIGURE 3 provided by the authors) The ...

Zephr has emerged from stealth with radical plans to dramatically improve GPS — using cell phones with zero hardware modifications. Mobile devices have abysmal GPS accuracy, which prevents location ...

BOULDER –- Equipped with specialized lasers and GPS technology, scientists at the National Center for Atmospheric Research (NCAR) are working with colleagues to solve a critical wintertime weather ...

No audio available for this content. Click to read Richard Langley’s Innovation Insights column, “GNSS jamming and spoofing.” Figure 1: GPSJAM map on March 23, 2024. The map is based on GPS accuracy ...

Analysis of Global Positioning System (GPS) time-series data from nearly 100 large earthquakes worldwide has provided evidence for the existence of a precursory phase of fault slip occurring two hours ...

For over 30 years, high-precision GPS (Global Positioning System) measurements have been a key tool used by the USGS Hawaiian Volcano Observatory (HVO). Scientists have come to depend on daily GPS ...

The width of the tropical belt has been analyzed with a variety of metrics, often based on zonal-mean data from reanalyses. However, constraining the global and regional tropical width requires both a ...

WASHINGTON — The space-based technology that lets GPS-equipped motorists constantly update their precise location will undergo a major test of its ability to rapidly pinpoint the location and ...