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Table 5. Mean and RMS-about-mean ( σ ) of the ratio of the density derived from the accelerometer observations and the one predicted by the NRLMSISE-00 model.

From: Thermospheric density and wind retrieval from Swarm observations

Satellite Date Ratio ρ obs./modeled
  2003 Mean σ
GRACE-A 7 Nov. 0.799 0.114
  8 Nov. 0.750 0.111
GRACE-B 7 Nov. 0.769 0.111
  8 Nov. 0.727 0.115
CHAMP 7 Nov. 0.732 0.081
  8 Nov. 0.701 0.089