Your behavior appears to be a little unusual. Please verify that you are not a bot.

Ellen Hall

About Ellen Hall

rss feed

Ellen Hall is the president & CEO at Spirent Federal Systems.

Posts by Ellen Hall

History of the GNSS industry and milestones ahead Posted on 25 Sep 2020 in the From the Magazine categories.

The history of GPS is fascinating. In 1957, a study by JHU’s Advanced Physics Laboratory (APL) utilized the Doppler effect to monitor the recently launched Sputnik, allowing researchers to pinpoint... Read more»