ionosphere

The ionospheric disturbance caused by an explosion can be detected by differential ionospheric delays of microwave signals of two carrier frequencies from global navigation satellite system (GNSS) satellites. (Image: Bhaskar Kundu, et al. Scientific Reports. Feb. 2, 2021).

March 22, 2021

GNSS data show Lebanon blast affected ionosphere

By Tracy Cozzens

September 25, 2020

Jade Morton honored with ION’s Kepler Award

By Tracy Cozzens

Global ionospheric map calculated with NeQuick G for the 18 09 2019 at 07 UT (DOY 261, 2019)I (Image: GSA)

January 7, 2020

NeQuick G code available for download

By GPS World Staff

The ionospheric challenge. Graphic: GMV and Lockheed-Martin

December 19, 2018

Iono Blob holds back air safety advances

By Tony Murfin

ESA Director of Navigation Paul Verhoef signs the EGNOS V3 contract Jan. 26 with Senior Vice President of Airbus Defence and Space, Mathilde Royer Germain. (Photo: ESA)

January 31, 2018

Next-generation EGNOS to combine Galileo, GPS for aviation

By Tracy Cozzens

August 25, 2017

GPS ‘sees’ the Great American Eclipse

By Richard B. Langley

July 5, 2017

Consortium records scintillation on Galileo signals in Antarctica

By GPS World Staff

FIGURE 3. Statistical and absolute thresholds.

September 1, 2016

Innovation: Galileo cycle-slip detection

By Laura Van De Vyvere and René Warnant, Ph.D.

Norwegian research vessel Gunnerus, owned by the Norwegian University of Science and Technology. (Photo: ESA)

June 23, 2016

Demonstration tests positioning in the far north

By GPS World Staff

Figure 7. Total electron content in TECu across South America on Feb. 5, 2015, between 19:00 UTC and 19:15 UTC.

June 13, 2016

Innovation: There’s an app for that

By Richard B. Langley

GNSS data show Lebanon blast affected ionosphere

Jade Morton honored with ION’s Kepler Award

NeQuick G code available for download

Iono Blob holds back air safety advances

Next-generation EGNOS to combine Galileo, GPS for aviation

GPS ‘sees’ the Great American Eclipse

Consortium records scintillation on Galileo signals in Antarctica

Innovation: Galileo cycle-slip detection

Demonstration tests positioning in the far north

Innovation: There’s an app for that

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