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A preliminary validation of the technique developed using the NeQuick ionospheric model and the «effective ionization&#13; parameter» Az, based on vertical total electron content data ingestion, was carried out in a previous study. The&#13; current study was performed to extend the analyzed conditions and confirm the results. The method to validate this&#13; technique is based on a comparison between hourly F2 peak values measured with Vertical Incidence (VI) soundings&#13; and those calculated with the new technique. Data corresponding to different hours and seasons (equinox, summer&#13; solstice, and winter solstice) during the period 2000-2003 (high and medium solar activity conditions) were compared&#13; for all available ionosonde stations. The results show a good agreement between foF2 and hmF2 values obtained with&#13; the new technique and measurements from vertical incidence soundings during quiet and storms conditions

Validation of a method for ionospheric electron density reconstruction by means of vertical incidence data during quiet and storm periods