Ships Collide, but AIS-GPS Says They Passed Safely

The Automatic Identification System (AIS) does a lot of things but it was designed to help prevent collisions between ships. AIS transceivers use Global Positioning System (GPS) data and enable all equipped ships to “see” each other, usually on  electronic...

eLoran and Loran testing underway in late June – GPS World

Editor’s Note: The Department of Homeland Security has long been concerned with the lack of an alternative for GPS to support critical infrastructure, particularly for time synchronization. It has had a Wireless Precise Time Cooperative Research and Development...

Army Trying to Solve Europe & Korea Cyber & PNT Problems

The US Army seems to be ramping up its concern and efforts over GPS denial in Europe and Korea. Last week, Maj. Gen. Wilson Shoffner told an AFCEA gathering that his Rapid Capabilities Office, which is concerned with fielding cyber and positioning, navigation, and...

Ligado May Hurt GPS, But They Will Sell You a Fix

The Ligado company (formerly Lightsquared) has asked the FCC for permission to broadcast in frequencies adjacent to those assigned for satellite navigation signals like GPS. Problem is that signals from satellite navigation systems are very, very faint. About 12,500...

How to Steal A Ship – Maritime Executive

Editor’s Note: ‘The prudent mariner will use every means at their disposal to determine their position’ is an axiom that dates back to the age of sail. But what if you only have one means to determine your position?  The below was published yesterday...