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Table 1.
Data used in the construction of DTM2013.
| Measurement | Period | |
|---|---|---|
| CHAMP | ρ | 05/2001–08/2010 |
| GRACE | ρ | 01/2003–12/2011 |
| GOCE | ρ | 11/2009–05/2012 |
| Starlette and Stella | ρ | 01/1994–12/2010 |
| Deimos-1 | ρ | 03/2010–09/2011 |
| CACTUS | ρ | 07/1975–01/1979 |
| OGO6 | T | 06/1969–08/1975 |
| DE-2 | T, He, O, N2 | 08/1981–02/1983 |
| AE-C | N2 | 01/1974–04/1977 |
| AE-E | T, He, O | 12/1975–05/1981 |
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