Constellation Observing System for Meteorology, Ionosphere, and Climate (COSMIC) limb sounding data available from Unidata includes temperature, pressure, humidity, and ion content information.
Constellation Observing System for Meteorology, Ionosphere, and Climate (COSMIC) limb sounding data available from Unidata includes temperature, pressure, humidity, and ion content information.
More information on COSMIC data collection
| Remote Data Access | Data Coverage | Display & Analysis Options | |||||||
| LDM Feedtype* | McIDAS ADDE |
TDS |
Short-Term Archive |
Regional | National | Global | GEMPAK | IDV | McIDAS |
| EXP (FT30) | ✓ | ✓ | ✓ | ||||||
Note: One must register with COSMIC to begin data ingest. To register please visit: COSMIC and go to "CDAAC Data Access" (left navigation bar).
*See a complete list of LDM feed types
The COSMIC program is the definitive source for information available on COSMIC data.
NOAA's the Global Change Master Directory (GCMD) provides data and information via the COSMIC Data Analysis and Archive Center (CDAAC) Data Tool. 
Wikipedia contains an entry on the COSMIC program as well as satellite instrumentation information and data collection. Questions or comments about COSMIC limb sounding data can be sent to: support@unidata.ucar.edu