GOES
5 spectral bands 1 - 41 km spatial resolution Geostationary

NOAA AVHRR
5 spectral bands 1.1 km spatial resolution 1 day repeat cycle

Landsat TM
7 spectral bands 30m spatial resolution 16 day repeat cycle

MODIS
Multi- spectral bands 250-1000m spatial resolution (band dependent) 1day repeat cycle

IKONOS
4 spectral Bands 4m spatial resolution 5 day repeat cycle