- Topography & Gravity
- Ocean Currents
- Ocean Winds
- Sigma-0
- Sea Surface Temperature
- Brightness Temperature
- Atmospheric Moisture
- Heat Flux
- In-Situ
- Multi-Parameter

- ATSR
- AVHRR
- Buoy or Ship Data
- CCMP
- ERS
- GDAC/GHRSST
- GEOS-3
- GEOSAT & GEOSAT Follow-On (GFO)
- GOES
- GRACE
- Jason-1
- MODIS
- NIMBUS-7 SMMR
- NSCAT
- OSCAR
- SeaWinds on QuikSCAT
- SeaSat
- SeaWinds on ADEOS-II
- SSM/I
- TOPEX/Poseidon