TGO Ramfjordmoen Ionosonde Data June 1999https://doi.org/10.18710/5AI5C9Tromsø Geophysical ObservatoryDataverseNO2019-02-112022-07-04T19:11:21Z<p>About this dataset: This dataset contains ionograms in PNG format, and covers data from June 01-30, 1999.</p><p>About the Tromsø Ionosonde (1993-present): Since 1980, the ionosonde was situated at 69° 35' N, 19° 13' E at Ramfjordmoen near Tromsø, Norway and operated by the Auroral Observatory of the University of Tromsø and later on, in collaboration with QinetiQ. The Lowell ionosonde replaced the Auroral Observatory unit in 1992; see the related publication for details.</p>Earth and Environmental SciencesPhysicsionogramSUN-EARTH INTERACTIONSauroraionosphereionosondeionodataHall, C. M., and T. L. Hansen. "20th Century Operation of the Tromsø Ionosonde." Advances in Polar Upper Atmosphere Research, no. 17 (2003): 155-66., http://polaris.nipr.ac.jp/~uap/apuar/apuar17/PUA1713.pdf2019-02-11Tromsø Geophysical ObservatoryTromsø Geophysical Observatory, UiT The Arctic University of NorwayTromsø Geophysical Observatory, UiT The Arctic University of Norway2019-02-111999-06-011999-06-30ionosonde dataRamfjordmoenTromsNorwayCC0 1.0