What if GPS had existed in 1565? No satellites or microelectronics, sure—but let’s play along. Imagine the bustling streets of Antwerp, where merchants navigated the sprawling city with woodcut maps.

Global Navigation Satellite Systems (GNSS) underpin modern positioning and navigation, integrating signals from multiple satellite constellations such as GPS, GLONASS, Galileo and BeiDou. Recent ...

South Korea approved Google’s request to export detailed map data, reversing a longstanding restriction that made the tool largely nonfunctional. By John Yoon As a Navy mathematician in the 1950s and ...

LOS ANGELES AIR FORCE BASE, El Segundo, Calif. — The U.S. Air Force Global Positioning System (GPS) IIF-4 satellite is ready for launch aboard a United Launch Alliance Atlas V Launch Vehicle on May 15 ...

The presence of SA affects the acceptance of GPS by recreational boaters and some commercial users, and limits the ability of the Coast Guard's DGPS service to provide important safety-related ...

WASHINGTON — The U.S. Space Force has ended an exploratory effort to add smaller, lower-cost navigation satellites to bolster the Global Positioning System, shelving a program that had been identified ...

Global Navigation Satellite System (GNSS) positioning techniques have evolved significantly over recent decades, spanning from traditional single-frequency methods to advanced multi-constellation and ...

provide some protection against interfering signals. Although quantitative measures of resistance to RF interference, such as jammer-to-signal ratio (J/S) measured in decibels (dB) do exist, these ...