M-code is more resistant to jamming, and its encryption makes it more difficult to spoof, a kind of attack that makes ...

With the final GPS III satellite scheduled to launch in March, the United States is completing the most significant upgrade to its positioning, navigation, and timing (PNT) infrastructure in more than ...

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 ...

Increasing incidents of interference with aviation, maritime and other satellite telecommunications services mean States need to urgently enhance their protection of a critical radio-frequency band, ...

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 ...

Our widespread reliance on a vulnerable technology should be a wake-up call. A single sustained outage could cost the U.S.

Thirty years ago this month marks one of the most significant technological achievements in modern history, an advance that has reshaped our daily lives and our sense of security, and opened the gates ...

Definition The Global Positioning System (GPS) uses a network of satellites to provide electronic signals that enable a receiver to accurately determine its position anywhere on Earth. The satellites ...

As a Navy mathematician in the 1950s and beyond, she played an unheralded but foundational role in making possible the global satellite-based mapping system. By Michael S. Rosenwald Two brothers, both ...

computer software converts it into information that can be usefully displayed for a user, such as position coordinates, or input to another type of user equipment, such as an inertial navigation ...