GPS

Galileo’s Ground Mission Segment in the Fucino Control Centre in Italy oversees Galileo navigation services and satellite payload operations. Photo: Telespazio.

July 15, 2019

Galileo’s initial services rocky patch continues

By Alan Cameron

Drawing of the DSAC mercury-ion trap showing the traps and the titanium vacuum tube that confine the ions. The quadrupole trap is where the hyper-fine transition is optically measured and the multipole trap is where the ions are “interrogated” by a microwave signal via a waveguide from the quartz oscillator. (Image: NASA.)

June 10, 2019

Mercury-ion atomic clock holds promise for greater GPS accuracy

By Alan Cameron

Col. Bernie Gruber in 2012. Photo: U.S. Air Force

April 5, 2019

Bernard Gruber, former GPS Program director, joins Spirent Federal Systems Board

By Alan Cameron

March 14, 2019

Happy Pi Day

By Richard B. Langley

From left: 2019 QEPrize winners Richard Schwartz, Bradford Parkinson, James Spilker and Hugo Fruehauf. (Photo: QEPrize)

February 13, 2019

2019 Queen Elizabeth Prize for Engineering goes to GPS

By GPS World Staff

January 10, 2019

All hail the GPS Gold Standard’s new golden era

By Alan Cameron

November 12, 2018

ICG aims for stronger interoperability, transparency

By GPS World Staff

October 15, 2018

Garmin’s latest watch features GPS, GLONASS and Galileo

By GPS World Staff

September 22, 2018

Ravenswood gets contract for U.S. Army exercise tracking

By Tracy Cozzens

September 11, 2018

The benefits of the multi-GNSS future

By GPS World Staff

Galileo’s initial services rocky patch continues

Mercury-ion atomic clock holds promise for greater GPS accuracy

Bernard Gruber, former GPS Program director, joins Spirent Federal Systems Board

Happy Pi Day

2019 Queen Elizabeth Prize for Engineering goes to GPS

All hail the GPS Gold Standard’s new golden era

ICG aims for stronger interoperability, transparency

Garmin’s latest watch features GPS, GLONASS and Galileo

Ravenswood gets contract for U.S. Army exercise tracking

The benefits of the multi-GNSS future

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