Figure 1: Scientific observations with GNSS radio occultation (GNSS-RO), GNSS grazing-angle reflectometry (GNSS-GR) and GNSS reflectometry (GNSS-R) techniques from low-Earth orbit (LEO). (Figure provided by the author) Global navigation satellite systems (GNSS) for peaceful uses are facing a hard reality…
Photo: Ekkasit919/iStock/Getty Images Plus/Getty Images According to Fact.MR, a market research and competitive intelligence provider, the global surveying and mapping services market was worth US$ 9 billion in 2021 and is expected to expand at a CAGR of 3% during…
On May 10, the General Accountability Office (GAO) released a report on navigation efforts n the Department of Defense (DOD). Among its findings were that the department regularly fails to establish validated navigation and timing requirements for systems and instead…
The National Geodetic Survey has revised an important technical document on the modernized National Spatial Reference System. Zilkoski explores a use case on flood mapping, discussing an Elevation Certificate example, Flood Insurance Rate Map and Flood Insurance Study. NGS has…
KIOW Walleye and Channel Catfish are Good in the Saturday Morning Fishing ReportKIOWFind more information about a specific structure such as GPS coordinates on the interactive Fishing Atlas or a downloadable GPX fish structure file on the Fishing Maps webpage.…
U.S. News & World Report Fighters Move Cautiously Into Islamic State-Held RaqqaU.S. News & World ReportWith every movement, the unit commander relayed their GPS coordinates for pilots to pinpoint SDF and enemy positions. Away from the frontlines, fighters in green…
NBC 7 San Diego 2 Undocumented Immigrants Call 911 to Report They're Lost in DesertNBC 7 San Diego2 Undocumented Immigrants Call 911 to Report They're Lost in Desert. With their phone at 50-percent battery, the men gave the feds the…
