Nygrén, Tuomo

name

• Nygrén, Tuomo

Authored works

• A simple method for obtaining reflection and transmission coefficients and fields for an electromagnetic wave in a horizontally stratified ionosphere
• A synthetized trough-ionogram
• Anomalous multiple traces below foE in high gain ionograms recorded at Sodankylä
• Introduction to incoherent scatter measurements
• Investigations on the propagation of radio waves in the high- and mid-latitude ionosphere
• Muutosta vai kehitystä? : tenttijärjestelmän tulevaisuus fysikaalisten tieteiden laitoksella
• Observations of Joule and particle heating and field-aligned ion velocity in the high-latitude ionosphere
• Simulated constant frequency sounding of a travelling ionospheric disturbance

Works contributed to

• On the discrepancy between the magnetic D-component and the overhead horizontal current at high latitudes
• Proceedings of the Finnish-American auroral workshop, August 17-20, 1981 in Oulu, Finland
• Properties of ionospheric gyroechoes in the presence of a sporadic E-layer

Works about Nygrén, Tuomo