TAG: GPS signal

How perfect is GPS? You be the judge

August 14, 2017By

In the July and August issues of the magazine, the “Out in Front” editorials held forth on the perfection or lack thereof in the GPS signal and service. Now it’s your turn! Give us your opinion at gpsworld.com/17augustpoll and we’ll publish the results in the September issue. And you’ll gain entry to a random drawing for a $50 gift card.... read more

First GPS signal received 40 years ago this month

July 19, 2017By

Working well after midnight on July 19, 1977, a Rockwell Collins engineer named David Van Dusseldorp sat on the rooftop of a company building in Cedar Rapids, Iowa, adjusting an antenna every five minutes to receive a signal from the world’s first Global Positioning System (GPS) satellite, known as NTS-2. Within a small window of time, the satellite was turned on... read more