TGO Ramfjordmoen Ionosonde Data May 1999doi:10.18710/EVMSRJDataverseNO2019-02-112Tromsø Geophysical Observatory, 2019, "TGO Ramfjordmoen Ionosonde Data May 1999", https://doi.org/10.18710/EVMSRJ, DataverseNO, V2TGO Ramfjordmoen Ionosonde Data May 1999doi:10.18710/EVMSRJTromsø Geophysical ObservatoryTromsø Geophysical Observatory, UiT The Arctic University of NorwayTromsø Geophysical Observatory, UiT The Arctic University of NorwayUiT The Arctic University of NorwayTromsø Geophysical Observatory's Ramfjordmoen field stationDataverseNOUiT The Arctic University of NorwayJohnsen, Magnar GulliksenHall, ChrisTromsø Geophysical Observatory2019-02-11TGO Ionosonde DataEarth and Environmental SciencesPhysicsionogramSUN-EARTH INTERACTIONSauroraionosphereionosondeionodata<p>About this dataset: This dataset contains ionograms in PNG format, and covers data from May 01-31, 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>1999-05-011999-05-31NorwayRamfjordmoenTroms19.21666719.21666769.58333369.583333ionosonde dataHall, C. M., and T. L. Hansen. "20th Century Operation of the Tromsø Ionosonde." Advances in Polar Upper Atmosphere Research, no. 17 (2003): 155-66.Hall, C. M., and T. L. Hansen. "20th Century Operation of the Tromsø Ionosonde." Advances in Polar Upper Atmosphere Research, no. 17 (2003): 155-66.01_ReadMeFile.txttext/plainTGO_Ramfjordmoen_ionosonde_data_1999-05_PNG.zipapplication/zip