1. Department of Electrical and Computer Engineering, Microwave Systems, Sensors, and Imaging Laboratory (MiXIL), University of Southern California, Los Angeles, CA, USA
2. Department of Civil and Environmental Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
3. NASA Goddard Space Flight Center, Greenbelt, MD, USA
4. Department of Information Engineering, Electronics and Telecommunications, La Sapienza University of Rome, Rome, Italy
5. Department of Civil Engineering and Computer Science Engineering, Tor Vergata University of Rome, Rome, Italy
6. DAAXA LLC, a GNSS Consulting Company, Boulder, CO, USA
7. Department of Electrical and Computer Engineering, ElectroScience Laboratory, The Ohio State University, Columbus, OH, USA
8. Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, USA
9. Department of Climate and Space Sciences and Engineering (CLASP), University of Michigan, Ann Arbor, MI, USA
10. Department of Electrical Engineering and Computer Science, Radiation Laboratory, University of Michigan, Ann Arbor, MI, USA