Registration of ionospheric effect of 20 march 2015 solar eclipse from GPS data in single-frequency mode

The paper objective is to demonstrate the possibility of studying irregular variations of the total electron content (TEC) of the ionosphere using GPS data of single-frequency measurements. This is considered by the example of registering the time behavior of the oblique TEC during the 20 March 2015 solar eclipse. As the initial data, we used single-frequency and dual-frequency phase and code measurements from the station MORP which is a part of the International IGS Network. As a result, by comparing the data of TEC time courses for two modes it is shown both qualitative agreement (TEC significant decrease during the eclipse) and quantitative agreement of results after appropriate treatment.