Long-term trends in the ionospheric E and F 1 regions

@inproceedings{Bremer2008LongtermTI,
  title={Long-term trends in the ionospheric E and F 1 regions},
  author={J. Bremer},
  year={2008}
}
Ground based ionosonde measurements are the most essential source of information about long-term variations in the ionospheric E and F1 regions. Data of such observations have been derived at many different ionospheric stations all over the world some for more than 50 years. The standard parameters foE, h’E, and foF1 are used for trend analyses in this… CONTINUE READING