We regret to inform the reader of an error in the paper of 'Back-diffusion Plasma Generator for Ionosphere Study' (2017 Plasma Sources Sci. Technol. 26 115010). An incorrect plate voltage of 400 V was erroneously placed in figure 7 and its caption. This corresponding plate voltage should be corrected as 350 V. This error does not affect the following discussion or interpretation of the results. The corrected figure and its caption now are shown. (Figure Presented).
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