Availability of "earth radiation budget" observation data

Broadband, scanning (narrow field of view) sensors
Nimbus 7 ERB: 1978 Dec - 1980 May
ERBE (combination of 3 satellites): 1985 Feb - 1989 Apr
CERES
TRMM: 1998 Jan - 1998 Aug and 2000 Mar, latitude <= 40 deg.
Terra: 2000 Mar - 2002 Dec and continuing
Aqua: 2002 Jul - continuing
Broadband, non-scanning (wide field of view) sensors
Nimbus 6 ERB: 1973 Jul - 1976 May
Nimbus 7 ERB: 1978 Nov - 1987 Jun
ERBE: 1984 Nov - 1999 Sep
Estimates from narrowband, scanning sensors
NOAA OLR: 1974 Jul - continuing (except 1978 Apr - 1978 Dec)
Lucas et al. bias correction (-1999) NCAR ds684.1
NOAA AVHRR Pathfinder-Atmosphere: 1981 Sep - 1999 Dec
NASA GISS "FD" (derived from ISCCP D series): 1983 Jul - 2001 Jun