Dataset #400 in DataverseNO just published – congratulation to Tromsø Geophysical Observatory

We congratulate Tromsø Geophysical Observatory with dataset # 400 in DataverseNO. The dataset TGO Ramfjordmoen Ionosonde Data August 2002https://doi.org/10.18710/2P4FJE is part of the long-time geophysical series of measurements started in 1932.