TNA Reports https://pithia-nrf.eu/activities-results/publications/tna-reports https://pithia-nrf.eu/@@site-logo/PITHIA-NRF_final_colour_97X70.png TNA Reports Anna Morozova. (2023). Portuguese regional ionosphere maps – PRIMA (PITHIA 1st TNA Project report). Zenodo. DOI: https://doi.org/10.5281/zenodo.7705719
