Image: NOAA

PlanetiQ wins largest-ever NOAA contract to provide GNSS-RO weather data

September 19, 2025

PlanetiQ, a provider of commercial weather and space weather data, has been awarded a $24.3 million contract from […]

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This article is tagged with GNSS-RO, government contract, PlanetiQ, radio occultation, total electron content, weather and posted in Featured Stories, Featured Stories, Latest News, Space & Earth

Preview graphic. (Image: NOAA)

NOAA, Los Alamos release new data on ionosphere for PNT

October 12, 2021

A new data source to help scientists better understand the ionosphere and its potential impact on communications and […]

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This article is tagged with data set, GPS Epoch Time, ionosphere, ionosphere models, NOAA, space weather, Space Weather Prediction Center, total electron content and posted in Featured Stories, Latest News, Space & Earth

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).

GNSS data show Lebanon blast affected ionosphere

March 22, 2021

A 2020 explosion in Lebanon’s port city of Beirut led to a southward-bound, high-velocity atmospheric wave that rivaled […]

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This article is tagged with GNSS research, Hokkaido University, ionosphere, Israel, Lebanon, National Institute of Technology Rourkela, Palestine, total electron content and posted in GNSS, Latest News