Correction: Fu, N.; et al. The Two-Parts Step-by-Step Ionospheric Assimilation Based on Ground-Based/Spaceborne Observations and Its Verification. Remote Sens. 2019, 11, 1172

Because our organization pays great attention to the order of the unit names in the signature of the paper, the papers in which the first affiliation of the article is “Shanghai Astronomical Observatory of Chinese Academy of Sciences, Shanghai, 200030, China” are counted as the first condition for the doctoral graduation oral examination [1]. Therefore, we apply for an adjustment to the order of the first affiliation and the second affiliation in this paper, which makes the authors’ affiliations and emails’ list displayed as follows:

Naifeng Fu ^1,2, Peng Guo ^1,*, Mengjie Wu ¹, Yong Huang ¹, Xiaogong Hu ¹ and Zhenjie Hong ³

¹ 

Shanghai Astronomical Observatory of Chinese Academy of Sciences, Shanghai 200030, China

² 

University of Chinese Academy of Sciences, Beijing 100049, China

³ 

College of Mathematics, Physics and Electronic Information Engineering, Wenzhou University, Wenzhou 325000, China

* 

Correspondence: [email protected]

Received: 3 April 2019; Accepted: 9 May 2019; Published: 16 May 2019

The authors would like to apologize for any inconvenience caused to the readers by these changes.