Tags » Geodesy

Climate change and the moving north pole: science and fairy tales

“Did you hear that climate change is even affecting the position of the north pole? Is that true?”, I was asked yesterday. And today, I found in my twitter feed: 357 more words

Mary's Page

A Hidden Map Between Sensor and Shooter: The Point Positioning Data Base, Part Three

Back to Part Two (or Part One)

Between 1990, when the first GPS-guided missiles were used in war, and 2001, when the United States began its invasion of Afghanistan, GPS guidance for weapons went from a niche technology used only by a few systems to one of the US military’s favorite techniques. 786 more words

A Hidden Map Between Sensor and Shooter: The Point Positioning Data Base, Part Two

Back to Part One

One part of the long pre-history surrounding the deployment of GPS-guided bombs began in the late 1960s with US Army Corps of Engineers and a research project to improve the accuracy of American field artillery. 1,093 more words

Ellipsoids for Easter

Some of you are celebrating Easter this weekend and I thought I will make a short post for this event. So, I have searcher the great World Wide Web in search of some great designs for Easter eggs inspired from mathematics. 329 more words

Geometry

Between Sensor and Shooter: The Point Positioning Data Base, Part One

In 2002, after the kick-off of the US invasion of Afghanistan but before the invasion of Iraq, US Air Force Chief of Staff General John Jumper gave a speech in which he said that “The sum of all wisdom is a cursor over the target.” Two years later, the Air Force was demonstrating how, using an XML schema, troops could pass target coordinates to a bomb-armed F-15E flying overhead in an entirely machine-to-machine process in which each device involved communicated seamlessly with each other. 1,147 more words

Cold War

Managing geodetic risks in E&P

Just for completeness, here’s another blog post I wrote at Exprodat last year (I forgot to repost it here) – a recap on geodetic integrity and some simple steps that oil and gas companies can take to protect themselves from mispositioning their data. 27 more words