TAG: Defense PNT

In defense of PNT: Multi-GNSS to the rescue

May 11, 2016By
An artist's concept of a GPS IIR-M satellite in orbit (courtesy of Lockheed Martin).

For more than 41 years, many of us who were there in the beginning have been discussing the attributes, capabilities, enabling features and shortcomings of GPS and other space-based PNT (position, navigation and timing) systems. You have likely heard most of them; historically they go something like this: The signal is weak. The signal is easily jammed. The signal can be... read more

What to Do, Who to See at the 31st Space Symposium

April 8, 2015By

Every year before I attend the Space Symposium, I make a list of topics to explore and people to talk to, both as a journalist and in my senior space analyst profession. I thought I would share my topics and names with you, because you may have some of the same interests — including GPS III, OCX and up-and-coming executives and officers. read more