Affiliation history for 0000-0001-6952-7343

The table below gives the affiliation history of the author based on the affiliations assigned to the author's articles.

Start	End	Country	Affiliation
2016	Present	US	NASA Goddard
2002	2002	US	Naval Research Laboratory
2002	2002	France	Observatoire de Paris
1999	2001	US	NASA Goddard
1999	1999	Finland	Space Research Laboratory, Department of Physics, Turku University, FIN-20014, Finland
1999	1999	US	Space Applications Corporation.
1998	1999	US	NASA Goddard