SSMI Level 1C Development
Level 1C Data
SSMI Rainfall Maps

  SSM/I Known Navigation Errors:

Differencing the antenna temperatures from the Ascending (AN) versus Descending (DN) orbital segments, highlights the geolocation errors in the Level 1C SSM/I data. This can be observed in the figures below, along the coastlines where either a positive or negative difference is evident.
DMSP-F08 DMSP-F10 DMSP-F11 DMSP-F13 DMSP-F14 DMSP-F15
1987
1988
1989
1990
1991 1991
1992 1992
1993 1993
1994 1994
1995 1995 1995
1996 1996
1997 1997 1997 1997
1998 1998 1998
1999 1999 1999
2000 2000 2000 2000
2001 2001 2001
2002 2002 2002
2003 2003 2003
2004 2004 2004
2005 2005 2005
2006 2006 2006
2007 2007 2007