Roma-Dollase, David http://orcid.org/0000-0003-4450-6073
Hernández-Pajares, Manuel http://orcid.org/0000-0002-9687-5850
Krankowski, Andrzej
Kotulak, Kacper
Ghoddousi-Fard, Reza
Yuan, Yunbin
Li, Zishen
Zhang, Hongping
Shi, Chuang
Wang, Cheng
Feltens, Joachim
Vergados, Panagiotis
Komjathy, Attila
Schaer, Stefan
García-Rigo, Alberto
Gómez-Cama, José M. http://orcid.org/0000-0003-0173-5888
Article History
Received: 26 May 2017
Accepted: 12 November 2017
First Online: 28 November 2017
Change Date: 16 March 2020
Change Type: Correction
Change Details: In the original publication of the articles, ���Methodology and consistency of slant and vertical assessments for ionospheric electron content models��� and ���Consistency of seven different GNSS global ionospheric mapping techniques during one solar cycle���, a common typo affecting the text only (not the computations) has been recently noticed. It compromised the definition of the scaling factor from Global Navigation Satellite Systems ionospheric delay to electron content is clarified in this erratum.