Calls for papers for special issue of Advances in Space Research:
- Satellite Constellations and Formation Flying: deadline 31 December 2019
- Scientific and Fundamental Aspects of GNSS: deadline 31 January 2020
- Solar Sailing: Concepts, Technology, and Missions II: deadline 1 March 2020
Volume 66, Issue 1, 1 July 2020, Advances in Small Satellites for Space Science, Guest Editors: Loren C. Chang, Amal Chandran. Preface free to read through May 2021.